关于无水乙醇用于神经破坏治疗的描述，下列哪项不正确（） A.无水乙醇作用于神经后，3

用括号里的动词的正确形式完成句子。

1. There was a terrible noise____(follow) the sudden burst of light.

2. Soon they could see the steam___(rise) from the wet clothes.

3. With his lips still____(tremble),he couldn't say a word.

4. "Mama!" he cried suddenly, tears____(roll) down his cheeks.

5. Weather____(permit),we'll go to the Great Wall.

6. ____(See)from the top of the hill, we can find that the city looks more beautiful.

7. "Can't you read?" Mary said, angrily____(point) to the notice.

8. The workers had the machines____(run) all night long to finish the work on time.

9. Just then he heard someone____(call) for help.

10. The missing boys were last seen____(play) near the river.

关于纵向弛豫的描述，正确的是（）

A.又称自旋-晶格弛豫

B.纵向磁化矢量由最大值恢复到零

C.横向磁化矢量由零恢复到最大值

D.与物质密度有关

E.与FOV大小有关

子宫内膜癌治疗中以下哪项对孕激素治疗反应好（）

A.组织学分级高分化

B.PR（-）

C.肿瘤体积大

D.明确诊断后至治疗的时间长

E.已有转移

Not until all the fish died in the river _____ how serious the problem of water pollution was. [ ]

A. did they realize

B. they did realize

C. had they realized

D. they had realized

在读写硬盘的一个物理记录块时，以下哪个参数是不需要的？

A．柱面(磁道)号

B．盘片(磁头)号

C．簇号

D．扇区号