问题 单项选择题

有关支气管哮喘发病机制的描述,不正确的是()

A.气道慢性炎症是哮喘的本质

B.AHR者均可诊断哮喘

C.变应原进入体内后可释放多种活性介质诱导哮喘发生

D.LAR是由于气道慢性炎症的结果

E.神经因素也认为是哮喘发病的重要环节

答案

参考答案:B

填空题

请根据句意及所给汉语提示写出单词。

1. It's time for class.                (停止) talking, children.

2. What will you do on                (星期四), Mary?

3. There are many big                (城市) in our county.

4. Peter is                (指) to those tall trees.

5. Mom, I                (需要) some water now.

6. I can see some purple                (葡萄) on the table.

7. Can he                (找到) his mother in the grocery store?

8. Don't                (跑) after that dog, Peter.

9. Look! There are a lot of sheep on the               (农场).

10. You should make a                (计划) for this trip.

11. Red is my                (特别喜爱的) colour.

12. We study                (努力地) in school.

13. May I                (邀请) Jim to my party?

14. The bus                (到达) at the stop at 7:00 yesterday evening.

15. He wants to                (离开) for Shanghai next Sunday.

16. Whose                (筷子) are these?

17. The girl likes to                (唱) songs.

18. He               (慢慢的) put up his right hand.

19. The sweater is too               (昂贵的) for me to buy.

20. My grandpa is reading the                (报纸).

21. Let's               (乘) a train to Beijing.

22. Look! There are many                (妇女) talking under the tree.

23. Please be                (安静的), the baby is sleeping.

24. Danny is                (发送) an e-mail to his friend.

25. I               (买) a yellow ruler yesterday morning.

单项选择题