火箭免疫电泳如结合放射自显影技术其灵敏度可提高()
A.3~5倍
B.10倍
C.100倍
D.1000倍
E.10000倍
参考答案:D
Sue and Linda usually go to school by car. They drive past a cinema, a supermarket and a food shop. The food shop is next to the supermarket. Jack and Michael usually go to school by bus. They go past a bank and a post office. The bank is next to the post office. Mary usually goes to work by bike. She rides a bike past a police office, a library and a swimming pool.
小题1:How many people are there in this passage?
A. Five B. Three C. Four
小题2:Where is the bank?
A. It’s next to a swimming pool. B. It’s on the right
C. It’s next to a post office.
小题3:How does Linda go to school?
A. By bike. B. By bus. C. By car.
小题4:Where does Sue drive past?
A. A cinema. B. A post office. C. A park.
小题5:How does Michael go to school?
A. On foot B. By bus C. By bike
2011年11月,我国的天宫、神舟顺利对接,神舟八号安全返回,标志着天宫一号与神舟八号交会对接任务取得圆满成功。从哲学基本问题的角度看,人类成功探索太空,要正确处理好()
①物质和意识的关系
②客观规律性和主观能动性的关系
③思维和存在的关系
④实践和认识的关系
A.①②
B.②③
C.①③
D.①④