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防窥膜是钢化膜吗

2023-08-19 09:20:11
共1条回复
S笔记

是。

“防窥膜”指的是贴在手机或电脑屏幕上的一层冷裱钢化薄膜,看起来与普通的手机电脑钢化膜无异。但是贴上这种膜以后,只有正对着手机或电脑屏幕的使用者才能看清楚屏幕上的内容,其他人从旁边望过去,只能看到一片漆黑,从而达到防止偷窥、保护使用者隐私的作用。

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给十份阅读理解题!

A ★ When Christopher Columbus landed on the then unnamed Costa Rica in 1502, he saw many Indians wearing gold earrings. So he thought the land must be rich in gold. He named the place Costa Rica, which means “rich coast” in Spanish. Though little gold was found, Costa Rica today is indeed rich with coffee and bananas. Coffee is the most important product in Costa Rica and most of it is exported (出口) to other countries like America and West Germany. Bananas are the country"s second most important export. Costa Ricans also grow many other crops such as fruits, corn and beans for their own use. Costa Ricans love colors and their houses are painted in bright colors. Education is very important to the Costa Ricans. Almost every village has a school and education is a must for children between seven and fourteen years of age. Boys and girls go to separate (单独的) schools. Classes begin in March and end in November. The other three months of the year are harvest time and the children have to help their parents to pick coffee beans.56. What"s the main idea of the first paragraph?A. How Columbus found Costa Rica.B. How Costa Rica got its name.C. What the Costa Ricans wore. D. What language the Costa Ricans spoke.57. The Costa Ricans may NOT paint their houses ______.A. pink and red B. grey and blackC. blue and green D. yellow and orange58. In Costa Rica, boys and girls between seven and fourteen ______.A. must go to school B. study in the same schoolC. do not have to go to school at allD. can choose to stop schooling at any time59. From December to February, school children in Costa Rica ______.A. have lessons every dayB. have their examinationsC. help their parents pick coffee beansD. help their parents decorate their houses 60. This passage is mainly about ______.A. Christopher Columbus B. Costa Rica C. some products from Costa Rica D. the education of Costa RicaB ★ Christian Eijkman, a Dutch doctor, left the Netherlands for the island of Java. Many people on the island had a disease called beri?鄄beri. He was going there to try and find a cure. At first, Eijkman thought some kind of germ (细菌) caused beri?鄄beri. He raised some chickens. He didn"t eat them, but made experiments on them. The local people were quite surprised at that. One day he noticed that his chickens became sick when they were fed the food most Javanese ate — refined white rice (精炼米). When he fed them with unrefined rice, also known as brown rice, they recovered. Eijkman realized that he had made an important discovery — that some things in food could prevent disease. These things were named vitamins (维生素). The Javanese were not getting enough vitamins because they had actually removed the part that contains vitamins. Later, other diseases were also found to be caused by the lack of vitamins in a person"s food. Today many people know the importance of vitamins and they make sure they have enough vitamins from the food they eat. If they don"t, they can also take vitamin pills.61. The underlined word “cure” in Paragragh 1 probably means ______.A. a medical treatment B. a kind of vitaminC. a kind of germ D. a kind of rice62. Christian Eijkman went to the island of Java to ______.A. spend his holidayB. find ways to grow better crops C. do some research about the islandD. help the Javanese with their illness63. Why did Christian Eijkman raise some chickens?A. To eat them. B. To carry out his experiments.C. To give the Javanese a surprise. D. To make money by selling them.64. If a person doesn"t get enough vitamins in his diet, he"d better ______.A. eat more rice B. eat more meatC. eat some chicken D. eat vitamin pills65. We can learn from the passage that ______.A. beri?鄄beri was caused by chickensB. the Javanese didn"t like vitaminsC. Christian Eijkman"s experiment was successfulD. the Javanese"s disease was caused by a kind of germC ★★ America is a mobile society. Friendships between Americans can be close and real, yet disappear soon if situations change. Neither side feels hurt by this. Both may exchange Christmas greetings for a year or two, perhaps a few letters for a while — then no more. If the same two people meet again by chance, even years later, they pick up the friendship. This can be quite difficult for us Chinese to understand, because friendships between us flower more slowly but then may become lifelong feelings, extending (延伸) sometimes deeply into both families. Americans are ready to receive us foreigners at their homes, share their holidays, and their home life. They will enjoy welcoming us and be pleased if we accept their hospitality (好客) easily. Another difficult point for us Chinese to understand Americans is that although they include us warmly in their personal everyday lives, they don"t show their politeness to us if it requires a great deal of time. This is usually the opposite of the practice in our country where we may be generous with our time. Sometimes, we, as hosts, will appear at airports even in the middle of the night to meet a friend. We may take days off to act as guides to our foreign friends. The Americans, however, express their welcome usually at homes, but truly can not manage the time to do a great deal with a visitor outside their daily routine. They will probably expect us to get ourselves from the airport to our own hotel by bus. And they expect that we will phone them from there. Once we arrive at their homes, the welcome will be full, warm and real. We will find ourselves treated hospitably. For the Americans, it is often considered more friendly to invite a friend to their homes than to go to restaurants, except for purely business matters. So accept their hospitality at home!66. The writer of this passage must be ______.A. an American B. a ChineseC. a professor D. a student67. Which of the following statements is TRUE according to the passage?A. Friendships between Americans usually extend deeply into their families.B. Friendships between Americans usually last for all their lives.C. Americans always show their warmth even if they are very busy.D. Americans will continue their friendships again even after a long break.68. From the last two paragraphs we can learn that when we arrive in America to visit an American friend, we will probably be ______.A. warmly welcomed at the airport B. offered a ride to his homeC. treated hospitably at his home D. treated to dinner in a restaurant69. The underlined words “generous with our time” in Paragraph 3 probably mean ______. A. strict with time B. serious with timeC. careful with time D. willing to spend time70. A suitable title for this passage would probably be “______”. A. Friendships between Chinese B. Friendships between AmericansC. Americans" hospitality D. Americans" and Chinese"s views of friendshipsD ★★★ The other day I heard a few local musicians talking: “I hate all the terrible pianos in this town. I hate that rubbish they play on the radio. They can"t even understand a bit of music.” “I"m never playing in that club again. Too many drunks and nobody listens to us.” But, one younger musician said, “There are a few clubs that book my band a few nights a month, and I"m trying to find other places to play. I"m also looking to book a few summer festivals this year.” I"ve heard that you are the average of the five people whom you spend the most time with, or to put it another way, you are who your friends are. Attitudes are important. Whether they"re positive or negative, they"re rubbing off on you. If you"re around people who complain about lack of work and about other musicians, or blame (责怪) others, and you play the role of victim (受害者), chances are you will start to as well. So it"s time to take a look at the people you call “friends”. This is an easy exercise: Make a list of the people who you hang out with, and simply stop spending time with the negative people on your list. Set a new standard (标准) for yourself and don"t become friends with people who fall below that standard. Keep successful people around you and your own chances for success will be much better. Ask them how they do it. Ask if they will help you get the work you"re looking for, or maybe give you some advice to help you on your career path.71. Which of the following would be the best title for this passage?A. A friend in need is a friend indeedB. How to make friendship last for everC. You are who your friends areD. Friends are the most important in one"s success72. The underlined sentence “they"re rubbing off on you” in Paragraph 6 means ______.A. they"ll push you aheadB. they"ll influence you C. they"ll cover your shortcomingsD. they"ll help you achieve your goal73. The musicians" words at the beginning are written mainly to show ______.A. the musicians" living conditions are quite poorB. people have poor taste in musicC. people have different attitudes towards the same thingD. young people have greater chances of succeeding74. By taking the exercise mentioned in Paragraph 7, you can ______.A. improve a lot in making more friendsB. come to the right way of making friends C. develop a better relationship with your friendsD. arrange the time with your friends properly75. The passage is mainly written for ______.A. musicians B. managers C. negative people D. people wanting to succeed 答案56-60 BBACB61-65 ADBDC 66-70 BDCDD 71-75 CBCBD
2023-08-11 08:43:501

滚筒洗衣机洗鞋子会损坏洗衣机吗

不会,但会损害鞋子还是手刷比较好
2023-08-11 08:43:535

中国十大貂皮品牌

十大品牌!!呵呵。我只能告诉你十大品牌有一多半都是提供商标找人带加工。和苹果手机一样的销售制作模式。买貂皮主要的就是要会基本的辨别质量。你可以看看我百度空间。
2023-08-11 08:43:543

in the stairs还是on the stairs

on the stairs
2023-08-11 08:43:541

干洗店是怎么洗衣服的,干洗的步骤是什么?

一般小的干洗店都是在没人的时候用水自己洗。我以前开店的时候隔壁家就是干洗店。我看到好几次他家老板在店后边的走廊里自己蹲着搓。根本就是骗人的。如果你要自己开店那我就不知道了。
2023-08-11 08:43:003

zhz不分叫什么拼音错误

zh和z不分,这是翘舌音和平舌音不分的错误。zh是翘舌音,z是平舌音。平舌音,又称前舌音、舌尖前音,指由舌尖抵住上齿龈阻碍气流而形成的音,即汉语拼音中以z、c、s开头的音节。 翘舌音,又称卷舌音、舌尖后音,指由舌尖抵住或接近硬腭前部阻碍气流而形成的音,即汉语拼音中以zh、ch、sh、r开头的音节。
2023-08-11 08:42:482

84消毒液的漂白原理

84消毒液是一种以次氯酸钠为主的高效消毒剂,主要成分为次氯酸钠(NaClO)。NaClO具有漂白性,其漂白原理是NaClO水解生成具有漂白性的HClO(次氯酸)。HClO是一种较弱酸,其酸性比碳酸要弱。但其具有强氧化性,能够将具有还原性的物质氧化,使其变性,因而能够起到消毒的作用。空气中的CO2(二氧化碳)溶解于NaClO溶液中可以与NaClO参加反应得到具有漂白性的HClO。扩展资料:1、蔬菜、水果等食物最好不要用84消毒液消毒。2、84消毒液的有效期一般为1年,我们在购买与使用时要注意生产日期,放置太久其有效氯含量下降而影响消毒效果。3、如果浅色衣服染色,也可以用84消毒液进行漂白。4、外用消毒液,不得口服,置于儿童不易触及处。5、本品对金属有腐蚀作用,对织物有漂白作用,慎用。6、本品对皮肤有刺激性,使用时应戴手套,避免接触皮肤。7、毛、麻、尼龙、皮革、丝织品禁用。参考资料来源:百度百科——84消毒液
2023-08-11 08:42:402

upstairs 与climb the stairs 区别

upstairs 是形容词/名词,而climb the stairs 是谓语+宾语。前者表达“一种状态“,即”楼上“,而后者表达”一种动作,” 即“上楼/爬上楼梯”。比如: He is upstairs/The upstairs consists of four rooms.He is having difficulty in climbing the stairs.
2023-08-11 08:42:401

zhz不分是哪里人

zhz不分是广东人。广东人不卷舌zhz不分,前后鼻音不分,但分得清nl跟hf,闽南人在这之上还要加上nl不分,部分口音严重的会出现hf不分,所以zhz不分是广东人。
2023-08-11 08:42:381

分析英语句子?

营养学家说 xx said that 这是一个由that引导的宾语从句里面包含不仅 而且 这个句式against 在这个句子中 理解成反对 抗拒 防止的意思
2023-08-11 08:42:346

zhz建筑表示

转换柱。建筑平面图,主要用来表示房屋的规划位置、外部造型、内部布置、内外装修、细部构造、固定设施及施工要求等。前面的字母(M)就是汉语拼音的缩写,后面的数字(1或2...)是排列的序号,除了这个门窗,还有别的,如防火窗(FHC-1或FH-1),门联窗(MLC-1),推拉门(TLM-1),凸窗(TC-1),高窗(GC)等等。M就是门,C就是窗,后面的数字代表第几种类型,慢慢的就会看懂的,基本上看图纸看的多了,在什么地方时什么东西可能标注方法不一样,但是一看就会明白的。
2023-08-11 08:42:311

84消毒液主要成分是什么

次氯酸钠次氯酸钠具有强氧化性,可水解生成次氯酸,能够将具有还原性的物质氧化,使微生物最终丧失机能,无法繁殖或感染。次氯酸钠是一种强电解质,在水中首先电离生成次氯酸根离子(ClO-),次氯酸根离子水解生成次氯酸,进一步分解生成新生态氧[O](氧原子直接构成的物质),其化学性质非常活泼,具有极强氧化力,在消毒过程中起了极大的作用。消毒液的主要消毒成分即以上化学反应中的三种产物。消毒原理归纳为:①次氯酸根通过与细菌细胞壁和病毒外壳发生氧化还原作用,使病菌裂解。次氯酸根还能渗入到细胞内部,氧化作用于细菌体内的酶,使细菌死亡;②次氯酸同样具有氧化性,消杀原理同次氯酸根;③次氯酸不稳定分解生成新生态氧,新生态氧的极强氧化性使菌体和病毒的蛋白质变性,从而使病原微生物致死;④氯离子能显著改变细菌和病毒体的渗透压,导致其丧失活性而死亡。
2023-08-11 08:42:292

干洗是怎么洗?

干洗是用特殊的有机溶剂作为介质来洗涤衣物,目前市面上常用的干洗剂有四氯乙烯、三氯三氟乙烷,石油等,干洗是一个以油溶油的过程,所以对油污的洗涤很有效,但是对色素等污渍效果不明显,所以有些污渍需要在干洗之前做预处理。
2023-08-11 08:42:244

ZHZ是什么意思?

ZHZ甄嬛传
2023-08-11 08:42:241

滚筒洗衣机怎么用 使用教程

滚筒洗衣机使用教程如下:工具/原料:海尔滚筒洗衣机。1、洗衣机通电,打开水龙头。如下图所示。2、放入适量的衣物,洗衣液,关好门。如下图所示。3、按下电源按键。如下图所示。4、选择一个适合衣物的程序。如下图所示。5、可以根据需要和衣物的干净度选择洗涤时间,漂洗次数,甩干时间。如下图所示。6、按下开始按键。如下图所示。
2023-08-11 08:42:191

氯消毒的原理是什么?

利用次氯酸分解时所产生强氧化性,使其菌体有机物分解或丧失功能而呈现杀菌作用
2023-08-11 08:42:192

zhz不分叫什么拼音错误

zh和z不分,这是翘舌音和平舌音不分的错误。zh是翘舌音,z是平舌音。平舌音,又称前舌音、舌尖前音,指由舌尖抵住上齿龈阻碍气流而形成的音,即汉语拼音中以z、c、s开头的音节。 翘舌音,又称卷舌音、舌尖后音,指由舌尖抵住或接近硬腭前部阻碍气流而形成的音,即汉语拼音中以zh、ch、sh、r开头的音节。
2023-08-11 08:42:161

"请小心台阶"标准英语怎么说/

Please mind the step .
2023-08-11 08:42:1314

干洗需要什么材料,要怎么干洗?

干洗就是用有机化学溶剂对衣物进行洗涤,包括去除油污或污渍的一种干进干出的洗涤方式。由于在衣物洗涤过程中水不直接接触衣物,所以称之为干洗。干洗因起源于法国巴黎,所以人们也常称之为“法式干洗”。 干洗的主要特点就是避免水洗对衣物面料造成伤害,不缩水、不变形、色泽保护性好,不易造成衣物褪色、手感柔软,便于熨烫并能彻底清洗衣物上的油污或污渍。干洗适于那些不宜水洗和易褪色的织物。有极好的防止织物纤维变形和使纤维保持原有色泽的优点,同时还能延长衣服的穿着寿命。[1] 干洗后的衣物还有消毒、灭菌、不易虫蛀、便于保存的特殊功效。2017年10月27日,世界卫生组织国际癌症研究机构公布的致癌物清单初步整理参考,干洗(职业暴露)在2B类致癌物清单中。
2023-08-11 08:42:124

到底是五大洲七大洋还是七大洲五大洋

是七大洲五大洋。
2023-08-11 08:42:023

滚筒洗衣机使用寿命是多少年?

一般来说,洗衣机的规定寿命为8-10年。由国家标准化管理委员会审批出台的《家用和类似用途电器的安全使用年限和再生利用通则》,对洗衣机提出安全使用参考年限为8年。其实,洗衣机的使用寿命,与其运行时间和使用次数相关。当你使用次数多,运行时间长,洗衣机的使用寿命就会不断缩减。波轮洗衣机:按每周使用4次估算,使用标准程序,使用寿命约等于10年。滚筒洗衣机:按每周使用3次计算,使用标准程序,使用寿命则约为8年。使用洗衣机的注意事项:1、普通型洗衣机: 洗涤、漂洗、脱水各功能的操作都需用手工转换。这种洗衣机结构简单,价格便宜,占地少,容易搬动。它装有定时器,可根据衣物的脏污程度选定洗涤和漂洗时间,到达预定时间,即可自动停机,普通型洗衣机有单桶和双桶两种。2、半自动型洗衣机:在洗涤、漂洗、脱水功能中,其中任意两个功能的转换不用手工操作而能自动进行。一般由洗衣系统和脱水系统两部分组成,常见的为双桶半自动型洗衣机。
2023-08-11 08:41:591

维生素可以分为哪两大类?

维生素可以分为脂溶性和水溶性两大类。水溶性维生素(water-solublevitamins)是能在水中溶解的一组维生素,常是辅酶或辅基的组成部分。主要包括维生素B1,维生素B2和维生素C等。一类能溶于水的有机营养分子。其中包括在酶的催化中起着重要作用的B族维生素以及抗坏血酸(维生素C)等。脂溶性维生素是指不溶于水而溶于脂肪及有机溶剂的维生素,包括维生素A、维生素D、维生素E、维生素K。脂溶性维生素可在体内大量贮存,主要贮存于肝脏部位,因此摄入过量会引起中毒。扩展资料维生素作用1、维生素A维生素A与皮肤正常角化关系密切。缺乏时则皮肤干燥、角层增厚、毛孔为小角栓堵塞,严重时影响皮脂分泌。所以,皮肤干燥、粗糙、无光泽、脱屑、有小角栓者服用维生素A有好处。2、维生素B6维生素B6与氨基酸代谢关系甚密,能促进氨基酸的吸收和蛋白质的合成,为细胞生长所必需,对脂肪代谢亦有影响,与皮脂分泌紧密相关,因而,头皮脂溢、多屑时常用它。3、维生素C维生素C被称为皮肤最密切的伙伴,它促进氨基酸中酪氨酸和色氨酸的代谢,延长肌体寿命,是构成皮肤细胞间质的必需成分。所以,皮肤组织的完整,血管正常通透性的维持和色素代谢的平衡都离不开它。4、维生素E维生素E公认有抗衰老功效,能促进皮肤血液循环和肉芽组织生长,使毛发皮肤光润,并使皱纹展平。5、维生素K1维生素K1是一种油溶性维生素,可改善因疲劳而引起的黑眼圈。参考资料来源:百度百科—维生素参考资料来源:百度百科—水溶性维生素参考资料来源:百度百科—脂溶性维生素
2023-08-11 08:41:551

Jim & Jesse的《Is It True》 歌词

歌曲名:Is It True歌手:Jim & Jesse专辑:Looking Better Every BeerIs it trueNicoleta DaraYou are not the special oneNow that you are goneIt is over for youOver for youI don"t even have to cryAnd I"ll tell you whyThere is nothing to loseNothing to loseTell me why d"you call me nowAnd I have to believeI don"t know howIs it trueThat I"ll find it all in youIs it trueLovin"me is what you"ll do"Cause I need that more than you knowFeel it, never let goAnd so ... can you tell me if that is true?When I said that last goodbyeI was wondering whyDid I do that to youDo that to youBoy you didn"t wanna tryDidn"t see the lightAnd it is over for youOver for youTell me why d"you call me nowAnd I have to believeI don"t know howIs it trueThat I"ll find it all in youIs it trueLovin"me is what you"ll do"Cause I need that more than you knowFeel it, never let goAnd so ... can you tell me if that is true?I am just a teen and I don"t want too muchJust a single kiss and a gentle touchMaybe I was wrong and you"re not the oneI am free and it"s my time for funFor fun...Is it trueThat I"ll find it all in youIs it trueLovin"me is what you"ll do"Cause I need that more than you knowFeel it, never let goAnd so ... can you tell me if that is true?http://music.baidu.com/song/2927438
2023-08-11 08:41:541

go up the stairs是什么意思

上楼
2023-08-11 08:41:546

四大洲五大洋是哪几个

四大洲五大洋的说法是错误的,应该是五大洲四大洋,五大洲指地球陆地分成的五大版块,即亚洲、欧洲、非洲、美洲和大洋洲。四大洋指的是太平洋、大西洋、印度洋和北冰洋。其中亚洲面积4400万平方千米,约占世界陆地总面积的29.4%,是世界第一大洲;大洋洲面积约900万平方千米,约占世界陆地总面积的6%,是世界上最小的一个洲。四大洋的海洋面积为36100万平方公里,太平洋占49.8%,大西洋26%,印度洋20%,北冰洋4.2%。
2023-08-11 08:41:512

次氯酸杀菌后分解成什么?

次氯酸杀菌后分解成什么主要取决于是由什么方式、什么原材料生成的,例如DCW次氯酸这种使用盐和水电解生成的,杀菌后可以完全降解成盐和水,非常安全、环保。
2023-08-11 08:41:473