根据句意及首字母提示写出单词 1. They are going to t ar

题型:填空题

问题:

根据句意及首字母提示写出单词

1. They are going to t       around the world.

2. Look right and left carefully when you c      the street.

3.I have no time to rest.I have to revise for the English t_      this evening.

4. Do you enjoy l       on the beach?

5. My family are going on a p       this Sunday.

6.--Let's do some s      

      --Good idea.

7. He has two d      .One is a doctor; the other is a nurse.

8. Daming isn't going to school today b      he is ill.

考点:单词、词组可数名词(单数名词,复数名词)动名词并列连词
题型:填空题
估算.
91÷30≈
164÷20≈160÷19≈
80÷38≈633÷70≈810÷89≈
题型:填空题

治疗鼻塞可选用( )

A.去甲肾上腺素
B.间羟胺
C.多巴胺
D.肾上腺素
E.麻黄碱

题型:填空题

关于奇静脉的描述,正确的是 ( )

A.起自左腰升静脉
B.收集左肋间后静脉
C.只收纳食管静脉
D.注入上腔静脉
E.以上都不对

题型:填空题

在灌注模型时,先加水与硬质石膏调和,灌注印模的组织面;稍后调和熟石膏灌注其他部分。发现熟石膏结固太慢,以后调和熟石膏时在水中加入了少量白色晶体。

采用分段灌注模型是为了()。

A.模型美观

B.提高模型强度和降低材料成本

C.防止产生体积膨胀

D.提高灌注模型的精确度

E.防止产生气泡

题型:填空题

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