上世纪80年代,科学家研究得一种新分子,它具有空心的类似足球状的结构,分子式C60,下列说法正确的是

小题1:B  
小题2:C

A

20世纪30年代到20实际80年代,所以命题犯了以偏概全的错误.X

the
Quick hotel, its biggest characteristic is to house prices, and its service mode for cheaper b&b "(accommodation +" breakfast). Quick hotel concept produced in the U.S. in the 1980s in China, in recent years that it has appeared. The characteristics of quick hotel function simplifies, it is one of the function, trying to focus on hotel accommodation in the core services, and keep improving on the shopping, dining, entertainment function greatly compression, simplify don't even put into operation, in order to reduce the cost.
Our hotel structure obvious "two big small", namely high among the star mass times, price low social hotel is more, the quality and the price relatively moderate less, the consumption of the fault as economy hotel provides opportunities. The domestic economy and the rapid development of tourism industry, consumer demand for economy hotel refuse.
Quick hotel has a huge market potential. With low investment yield, return cycle is short, plus such prominent advantages the vast market of domestic terminal accommodation requirements and tourism sustainable development. Its development prospect often is valued by the market. China economy hotel market, and family-like and jinjiang star has absolute scale advantage. But mention economy hotel, high frequency travel crowd in the first thought and family-like have 39.4%, the first thought of jinjiang star only 12.2%, other brand first mention rate all less than 8%. List economy hotel brand name, let consumer choice heard budget hotels, the consumer can think and family-like respondens brand.
Therefore, I am willing to help temporarily in China quickly the jinjiang hotel star of the second planning an accelerated after and family-like marketing solutions for market, of both to create "win-win".

I was born in 80s of last century

In the 1980s,