问题 多项选择题

关于血浆渗透压,说法正确的是()。

A.临床以mmol/L表示体液渗透压

B.正常葡萄糖和尿素氮对渗透压影响不大,但明显升高时,可导致高渗状态

C.NA+是维持血浆渗透压的主要因素

D.血浆渗透压=2(Na++K+)+葡萄糖+尿素氮(mmol/L)

E.Ca2+是维持血浆渗透压的主要因素

答案

参考答案:A, B, C, D

完形填空

Most people want to be happy but few know how to find happiness. Money and success alone don’thappiness.  A famous person once said, “Happiness depends on      .” In other words, we make our own happiness. Here are a few ways to help you be happier.

The first secret of happiness is to enjoy the     things in life. Too often, we spend so much time thinking about the    , for example, getting into college or getting a good job, that we can’t enjoy the present. We should enjoy life’s simple pleasures,     spending time with close friends, listening to your favorite music, or reading a good book. People     have close friends often enjoy happier and healthier lives.

Another    of happiness is to be active,and have      . We can collect toy cars,go fishing or play a sport.. In this way, we enjoy ourselves. We can    our problems and only think about the activities.

Finally, many people find happiness in helping others. According to studies, people feel good when they offer to help others.    you want to feel happier, do something nice for someone. We can help a friend with his or her studies, go shopping to get food for an elderly relative, or simply help our parents to do the dishes.

小题1:A. set     B. bring      C. show

小题2:A. ourselves   B. themselves   C. himself

小题3:A. strange  B. surprising  C. simple

小题4:A. future     B. health      C. money

小题5:A. in fact    B. such as  C. instead of

小题6:A. which  B. whom     C. who

小题7:A. secret     B. plan     C. task

小题8:A. wishes     B. hobbies  C. honor

小题9:A. talk       B. know     C.forget

小题10:A. After   B. Though  C. if

单项选择题