问题 单项选择题 A1/A2型题

关于体内Ca2+的生理功能,下列哪一项是错误的()

A.血浆Ca2+可增加毛细血管和细胞膜通透性,降低神经肌肉的兴奋性

B.血浆Ca2+即为凝血因子Ⅳ,参与凝血过程

C.骨骼肌中的Ca2+可触发肌肉兴奋-收缩耦联

D.Ca2+可作为第二信使,发挥重要作用

E.Ca2+是许多酶(ATP酶、脂肪酶)的激活剂

答案

参考答案:A

完形填空

第二节(共5小题;每小题2分,满分10分)

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Q&A

Question: I have recently got a serious position within my company. One of my new tasks is to make monthly progress reports on my department in front of other senior officials. During my first meeting, I presented and then opened the floor to questions.   71   . My first reaction was to answer defensively. Later, I realized that I shouldn’t have felt that way. But how can I keep cool and effectively answer questions in this type of settings?

Answer: Congratulations on your new position! Presenting in front of your peers(同事)is a hard task in itself, and it becomes much more difficult when a question-and-answer period is required. Question-and-answer periods as a great way to clarify the message and strengthen key points,    72   

    73   

When a person is asking a question, show interest and a desire to understand the question by listening and asking for clarification.

●Buy time.

When facing a hard question, most people can’t give an answer immediately. Buy time by repeating the question in your own words.    74   . These techniques allow you to quickly organize your thoughts as well as to make sure you will be correctly answering the question.

●Suggest a private meeting.

A one-on-one meeting is a calmer setting than speaking in front of your peers.    75   

A.Show your true interest.

B.Restate the question with respect.

C.Some ideas can be quite concrete.

D.There were many difficult questions.E. It can also be more effective in exchanging ideas.

F. You many also ask for clarification on the question.

G. Here are some ideas that can help you prepare for your next meeting.

单项选择题