问题
配伍题 A1型题
氨茶碱平喘的作用机制是（）。沙丁胺醇平喘的作用机制是（）。
A.稳定肥大细胞膜
B.抑制磷酸二酯酶
C.抑制炎症介质产生
D.选择性激动β2受体
E.抑制气道高反应性
答案
参考答案：B,D
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氨茶碱平喘的作用机制是（）。沙丁胺醇平喘的作用机制是（）。
A.稳定肥大细胞膜
B.抑制磷酸二酯酶
C.抑制炎症介质产生
D.选择性激动β2受体
E.抑制气道高反应性
参考答案：B,D
| 完形填空。 | |||
| The most difficult thing for university student Shaun Rogers is opening the classroom door by himself. Shaun can’t do this without __1__because he is only six years old. He’s the __2__ person ever to study at Rochester University in New York. Shaun began __3__ at two and by the age of five he had read many books and was able to finish writing his first book. “I love learning”, says Shaun. “My hero is the scientist Albert Einstein because he never combed (梳理) his hair or __4__socks.” Shaun’s mother first __5__ that her son was different when he kept crying at playschool because he was __6__ with the children’s games. She started teaching him at home after finding that local schools were not prepared for children who __7__at Shaun’s speed. Now Shaun is studying geography at __8__ and using the Internet to finish his high school studies. However, some scientists warn that too much study can stop a child from developing normally. “I don’t care how clever the kid is, six-year-olds have to __9__ with their friends,” says Dr. Brain Wood. Mrs. Rogers disagreed that all her son’s time was taken up by school work. “He loves the violin and has many outdoor interests, such as camping, fishing and swimming, just like __10__ boys of his age.” | |||
| ( )1. A. help ( )2. A. happiest ( )3. A. swimming ( )4. A. carried ( )5. A. realized ( )6. A. interested ( )7. A. learnt ( )8. A. cinema ( )9. A. sleep ( )10. A. all | B. interest B. shyest B. reading B. sold B. received B. bored B. drank B. hospital B. play B. another | C. knowledge C. laziest C. speaking C. wore C. publ ished C. surprised C. drove C. university C. laugh C. other | D. progress D. youngest D. walking D. made D. represented D. excited D. ran D. hotel D. study D. both |