备用风扇盒防尘网需要定期清洗,一般条件较好的机房()清洗一次。
A.每周
B.每两周
C.每月
D.每季度
参考答案:C
选择所给词的正确形式填空。
1. It's time _____________ (go home / to go home).
2. She would like _____________ (to be / be) your penfriend.
3. Peter lives on _____________ (the second / the two) floor in the building.
4. Shall we _____________ (have lunch / having lunch) now?
5. Take more exercise, you'll be _____________ (strong / stronger).
6. I am going to play cards with _____________ (they / them).
7. The park is about three _____________ (kilometers / kilometre) away.
8. I like _____________ (dance / dancing).
9. Can I have _____________ (her / hers) telephone number?
10. It's often _____________ (rain / rainy) in spring in Hefei.
女,30岁,近3年来常在生气后发生突然倒地,全身僵硬,呈角弓反张,四肢不规则抖动,呼吸急促,呼之不应,表情痛苦,一般持续20~30分钟,发作时无咬伤唇舌,无跌伤,无尿便失禁,神经系统检查无阳性体征。最可能诊断为()
A.脑器质性疾病
B.急性应激反应
C.精神分裂症
D.焦虑症
E.分离性抽搐