根管充填时，常用的充填糊剂是（） A.氧化锌丁香油糊剂 B.碘仿糊剂 C.牙胶尖 D

在改写后的句子中填入适当的词（每空一词），使之与原句意思相同或相近。请将答案填写在答题纸相应的栏目内。

小题1:Jack had been playing around me, but now I couldn’t see him anywhere.

Jack had been playing around me, but now he was（1）_______ to （2）_______ （3）_______.

小题2:Look at the clock! It’s possible that he will be late for the train.

Look at the clock! He(4）_______（5）_______（6）_______ be late for the train.

小题3:They each have made great contributions to the environmental protection.

Each of them （7）_______ （8）_______ greatly（9）_______ the environmental protection.

小题4:The group of eight which is made up of eight richest countries in the world is really powerful.

The group of eight（10)_______  (11)________ eight richest countries in the world is really powerful.

小题5:It was several minutes before I realized what was going on.

It was several minutes before I was (12)_______  (13)_______  what was (14)________.

小题6:Not everything that is best for nature is good for people.

(15)________ that is best for nature (16)_______  (17)________ good for people.

小题7:This table is three times as big as that one.

This table is three times (18)________ (19)_________ (20)________ that one.

一个玩具厂做一个小白兔原来需要38元的材料．后来改了制作方法，每个只需36元的材料．原来准备做180个小白兔的材料，现在可以多做多少个？

科学研究、教学单位需要使用麻醉药品和精神药品开展实验、教学活动的，应当经（）

A.国务院卫生行政部门批准

B.国务院药品监督管理部门批准

C.所在地设区的市级药品监督管理部门批准

D.所在地省、自治区、直辖市人民政府卫生行政部门批准

E.所在地省、自治区、直辖市人民政府药品监督管理部门批准

肾动脉( )

A．平第一腰椎高度起自腹主动脉

B．左侧比右侧长

C．除到肾以外无其他分支

D．是腹主动脉唯一成对的脏支

E．位于肾盂前方

转账汇票可（）背书转让

A、一次

B、两次

C、三次

D、多次