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问题 多项选择题

若干病因因素使大脑皮层下神经中枢的功能发生变化，各种神经递质浓度与活性异常，可导致（）

A.排钠激素分泌减少

B.阻力小动脉收缩增强

C.排钠激素分泌增加

D.血浆儿茶酚胺浓度升高

E.交感神经系统活性亢进

答案

参考答案：B, D, E

填空题

看谁变得多。

目                                                                                                                     

扌                                                              氵                                                       

木                                                              禾                                                       

辶                                                              彳                                                       
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句型转换

句型转换。

1. She has supper at 7:00 p. m. (对画线部分提问)

     ______ ______ does she have supper?

2. What time is it now? (同义句转换)

     ______ the ______ now?

3. Jack has his lunch at school. (改为一般疑问句)

     ______ Jack ______ his lunch at school?

4. Scott works very long hours every day. (改为否定句) 

    Scott ______ ______ very long hours every day.

5. I forgot to write a letter to my friend. (改为同义句)

    I failed to ______ ______ my friend.

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