问题 单项选择题

通过与NK-1受体结合来阻滞P物质的药物是()

A.甲氧氯普胺

B.多潘立酮

C.昂丹司琼

D.他莫昔芬

E.阿瑞吡坦

答案

参考答案:E

解析:阿瑞吡坦通过与NK-1受体结合来阻滞P物质的作用,是目前唯一应用于临床的NK-1受体阻断剂。

阅读理解

阅读理解。

     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。

     Question: Mr. Smith, I am really ashamed (惭愧的) that I failed the exam. Actually, I tried my best._____

__(1). However, I brought home disappointing grades, which made me feel hopeless and helpless.

     Answer: Peter, I can understand your feelings. When I was a student, I had the same experience as you. But there are still some ways to deal with disappointing grades. _______(2).

     ●Act fast. The most important rule of dealing with disappointing grades is to act fast. ________(3). The

faster you face up to the problem, the faster you can find a solution.

     ●Ask for help. If you keep doing the same thing all the time, you'll undoubtedly keep getting the same

results. You can ask for help from a friend or fellow student. Ask for help with the subject matter and tips for

studying.

     ●________(4). Look over exam papers and assignments (作业) to see if you are having trouble with a

particular kind of question or concept. Examine your essays to see if you are explaining your ideas clearly and

completely, or if it is your writing (spelling,grammar, etc) that is letting your down.

     Dealing with disappointing grades is something that every student will face at one time or another. So please don't worry. _________(5). You will get good grades if you follow the right ways.

A There are many students who don't care about their grades.

B. Don't sit around or just ignore them.

C. I reviewed all my notes and often stayed up late before the exam.

D. All you need to do is devote yourself to solving these problems.

E. Tell your teachers or parents about your worries.

F. Figure out where you are having trouble.

G. I managed to improve my performance by changing my study habits.

单项选择题