问题 单项选择题

Ficoll分层液法离心后外周血细胞分布由上至下依次为()

A.单个核细胞、血小板和血浆、粒细胞、红细胞

B.血小板和血浆、粒细胞、单个核细胞、红细胞

C.血小板和血浆、红细胞、单个核细胞、粒细胞

D.血小板和血浆、单个核细胞、红细胞、粒细胞

E.血小板和血浆、单个核细胞、分层液、粒细胞、红细胞

答案

参考答案:E

完形填空

Cooperation(合作) and competition are 1  important. They’re necessary for a person to achieve success in life.

Learn to be cooperate with others. No one likes a selfish(自私的) or greedy(贪婪的)person. However, everyone likes a cooperative and friendly person. Everything we do today,   2  in doing business or making friends, depends on our ability to  3 with one another. In our society, most tasks(任务) need the cooperation of many people  4 they can be finished successfully. So we must try to be cooperative. Each person   5 a small part of a machine . If only one part is out of order, the machine can’t be running  well.  6 , transportation and communication systems are developing quickly and people all over the world can keep in line with each other _7 . It’s hard for a person who is away from the society to have a deep understanding of the world he 8 . Cooperation is becoming more and more important for a person to get a good life.

Being competitive(竞争的) also has a place in life. If you want to get more success and be better than others, you must work harder and study more carefully. The desire(愿望) to succeed and do better than others   9 us to work harder. If there were no competitions, a sports meeting would never be   10 and successful, and we could never have champions(冠军).

We cooperate with others to be more competitive, we compete to get a better environment for cooperation leads(带领) us to realize our goals and meet our needs.

根据短文内容选择正确答案。

小题1:A. all                B. both                    C. neither

小题2:A. if                 B. weather                 C. whether

小题3:A. get along          B. get off                 C. get back

小题4:A. in order           B. in order to             C. so that

小题5:A. likes              B. is like                 C. looks like

小题6:A. Except             B. Besides                 C. But

小题7:A. easier             B. much better             C. more easily

小题8:A. lives in           B. lives on                C. lives

小题9:A. encourage          B. encourages              C. encouraged

小题10:A. excited            B. interested              C. exciting

名词解释