1克每立方厘米=0.3613磅每立方英寸。

题型:判断题

问题:

1克每立方厘米=0.3613磅每立方英寸。

考点:井下作业工单位换算单位换算题库
题型:判断题

用所给词的适当形式填空。

1. I am going to _______________ (write) an e-mail.

2. My teacher _______________ (go) to work by bike every day.

3. They like _______________ (dive).

4. Is this English book _______________ (your)?

5. There _______________ (be) a comic book on the table.

6. His sister _______________ (see) elephants last Friday.

7. Look, the boy is _______________ (read) books.

8. I often _______________ (watch) insects

9. Your brother is _______________ (thin) than me.

10. Can you _______________ (play) chess?

11. Zoom takes _______________ (I) to school.

12. She _______________ (have) a new room.

13. He cleans the street. He is a _______________ (clean).

题型:判断题

tRNA的结构特点不包括()

A.含甲基化核苷酸

B.5′-末端具有特殊的帽子结构

C.有局部的双链结构

D.三叶草形的二级结构

E.含有二氢嘧啶环

题型:判断题

(1)铜器长期暴露在空气中,表面会生成铜绿,其成分可表示为Cu2(OH)2CO3,从其组成分析,铜绿由______种元素组成.

(2)写出下列化学反应的文字表达式或符号表达式(要注明反应条件),并在括号内填写基本反应类型.

①用过氧化氢溶液与二氧化锰混合制取氧气____________

②木炭在空气中燃烧____________.

题型:判断题

不会引起声音嘶哑的是:()

A.左侧喉返神经损伤

B.右侧喉返神经损伤

C.喉上神经外支损伤

D.喉上神经内支损伤

E.迷走神经损伤

题型:判断题

尊重风俗禁忌原则包括()

A.思想禁忌

B.风俗禁忌

C.工作禁忌

D.隐私禁忌

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