补：特困孩子每天用0.1元，一 （2）和3（1）谢谢咯，六年级的数学

A

The youth volunteer" one help one" long-term partnership service plan. The plan for the elderly, disabled, difficult life of the retired personnel leave and laid-off workers, poor students, national groups and other difficulties of the masses as the main service targets, the Youth League organizations and youth volunteer organization, matchmaking, the young volunteers service objects and to establish long-term and stable relations, for the difficulties of the masses to provide do everything in one's power. The youth volunteer service and help deficient relay plan. The plan begins to carry out from 1996, take the open recruitment, regular rotation, long-term adherence to a relay mechanism, organization and mobilization of young volunteers for the poverty-stricken areas to provide education, promotion of agricultural science and technology, health and other services. College student volunteers to rural areas and the affected area, to play their own knowledge and intellectual advantages, rich in content, carry out various forms of literacy and culture, science and technology, health services. To protect the mother river" Chinese youth volunteer action green camp". This work was to" labor, exchange, learning" as the theme, through the formation of green camp, build green base of operations, centralized organization of youth in the key area to begin afforestation, desert control, water pollution remediation, removal of chimney of litter and other environmental protection volunteer service activities

1．A
2．B
3．插叙。 母亲逼着儿子来读书，自己忍着腿病外出为儿子乞讨粮食。 吃苦耐劳、意志顽强、为了能让儿子上学而忍辱负重。
4．强调了母亲腿疾严重，突出了母亲克服病痛而养育儿子的拳拳爱心。
5．（1）“三袋米”为全文的线索。 （2）“三袋米”上凝聚着伟大的母爱。
（以上主观题意对即可）

沉湎于希望的人和守株待兔的樵夫没有什么两样.
没有风浪,便没有勇敢的弄潮儿；没有荆棘,也没有不屈的开拓者.

3000*2.25%*（1-20%）=54