动词填空。

1. Can Amy _____ (swim) now?

2. _____ (not smoke) in the office, please.

3. There _____(be) some bread and two apples on the table.  

4. They want _____(play) volleyball this afternoon.

5. My mother enjoys _____(chat) with her friends.

6. —Who _____(come ) from Shanghai?  

    —Simon.

7. Jim and I _____(not be) in the same class.

8. —_____ her classmates _____ (fly) kites every spring?  

    ——Yes.

9. I have a photo. Let Andy _____ (have) a look first.

10. Would you like _____ (go) shopping with me this afternoon?

案例摘要：患者，男性，46岁，工人。因发热、心慌、血沉100mm/h，诊断为风湿性心肌炎。无高血压和溃疡病病史。入院后接受抗风湿治疗，泼尼松每日30～40mg口服；用药至第12日，血压上升至150/100mmHg，用药至第15日，上腹不适，有压痛，第24日发现黑便，第28日大量呕血，血压50/70mmHg，呈休克状态。迅速输血1600ml后，进行探腹检查，术中发现胃内有大量积血，胃小弯部有溃疡，立即做胃次全切除手术，术后停用糖皮质激素，改用其他药物治疗。

糖皮质激素诱发高血压的机制是（）

A.水盐代谢紊乱

B.低血钾

C.低血钙

D.脂质代谢紊乱

E.以上都不是