My brother，______ his classmates often m

阅读理解。

                                                                   Timetable

1. How many subjects does Li Ping have?

A. Nine

B. Ten

C. Eleven.

D. Twelve.

2. How many classes does he have every week?

A. Five

B. Seven

C. Thirty-five

D. forty

3. How often does he do outdoor activities?

A. Every day

B. Every weekday

C. Every afternoon

D. After school

4. What subject does he have only on Wednesday?

A. Physics

B. Politics

C. English

D. Art

5. It's 9:00 on Thursday morning now. What class is he having?

A. Math

B. Chinese

C. English

D. Chemistry

关于人工流产负压吸引术吸管的描述错误的是（）。

A.人工流产负压吸引术负压不宜超过700mmHg

B.人工流产负压吸引术负压不宜超过600mmHg

C.孕7周以下用5～6号吸管，负压为400mmHg

D.孕7～9周用6～7号吸管，负压为400～500mmHg

E.孕9周以上用7～8号吸管，负压为500～550mmHg

肛门坐浴注意事项是（）

A.盆具不要大，消好毒

B.沸水降温保持40～43℃

C.肛门会阴浸入水中

D.时间15～20分钟

E.年老体弱注意安全

调节器的积分时间Ti越大，则微分作用越（）。

A.越弱

B.越强

C.不变

D.无关

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