致畸因子的损伤与剂量有关吗?

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问题:

致畸因子的损伤与剂量有关吗?

考点:计划生育知识竞赛计划生育药具知识竞赛计划生育药具知识竞赛题库
题型:问答题 论述题

阅读理解。

Ma Li: Do you get up early in the morning, Ellen?

Ellen: Yeah, I get up at six in the morning.  After that I run. Then I take

a shower and eat  breakfast at seven. What about you?

Ma Li: Me? I get up at nine o'clock.

Ellen: Nine o'clock?

Ma Li: Yes, I go to school in the afternoon.

Ellen: Well, what do you usually do in the evening?

Ma Li: I usually do my homework in the evening.

Ellen: Me, too. I do my homework at seven and I watch TV at nine.

Ma Li: Oh, I don't. I go to bed at nine in the evening.

1. Ellen____________.    

A. gets up at six    

B. gets up late      

C. gets up at ten      

D. gets up at nine

2. Ma Li goes to school____________.      

A. in the morning      

B. in the afternoon      

C. in the evening      

D. at night

3. Ellen _____________in the morning.    

A. runs    

B. does her homework      

C. watches TV    

D. plays games  

4. Ma Li_______ her homework in the morning.    

A.can't do    

B.often does    

C.is doing    

D.doesn't do 

5. Ma Li goes to bed_________.    

A.at six o'clock    

B.at seven o'clock    

C.at nine o'clock    

D.at five o'clock

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下列物质属于氧化物的是

A.O2

B.H2O

C.NaCl

D.Fe

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读右图,回答1~2题。

小题1:图中A地的气候类型是             (  )

A.温带海洋性气候

B.温带季风气候

C.地中海气候

D.温带大陆性气候小题2: a河口附近入海水量最大的季节是        (  )

A.冬季

B.春季

C.夏季

D.秋季

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简述篮球双手胸前传接球的技术动作要点及练习方法。

题型:问答题 论述题

离心风机的吸气室主要作用是把()均匀地吸入叶轮。

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