单词拼写。 1 He said c_____ that he would ear

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问题:

单词拼写。

1 He said c_____ that he would earn much more money to support his family.

2. After four hours' ride, we reached our d_____ at last.

3. Between these two reference books, I will choose the l_____ one because it's more practical.

4. Since you are weak in English, you should extend your (词汇) _____ first.

5. Mary's p_____ of the word "bag" seems quite strange.

6. Each color on the chart _____ (代表, 象征) a different department.

7. He i_____ all the "No Smoking" signs and lit up a cigarette.

8. When she finished drawing, she stepped back to admire the _____ (总体的, 全面的) effect.

9. There are all kinds of _____ (治疗, 疗法) available for this condition.

10. We watched them leave and then drove off in the _____ (相反的) direction.

考点:单词、词组可数名词及其单复数动词的第三人称单数动词的过去式
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(1)已知16g固体单质S完全燃烧生成SO2气体时,放出148.4kJ的热量,则该反应的热化学方程式为

_______________________。

(2)NH3水溶液呈弱碱性,并可用作农业化肥,现进行下列研究:现将一定量的H2和N2充入10L的密闭容器中,在一定条件下使其发生反应,有关H2、N2、NH3三者的物质的量的变化与时间的关系如图所示

若t1=10min,则0至t1时间内H2物质的反应速率为_____________;该反应在t2时达到平衡,其化学反应方程式为___________,此温度下该反应的平衡常数为_____________。试判断t1时反应是否处于平衡状态____________(是或否)原因是_________________。

根据图中曲线变化情况判断,t1时刻改变的反应条件可能是______________(填下列各项序号)

a.加入了催化剂 b.降低了反应的温度 c.向容器中又充入了气体N2

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对地区情况、经济政策、资源条件、劳动力状况、社会条件、地理环境、国内外市场情况、工程项目建成后对社会的影响等进行的研究,属于()阶段。

A.投资机会研究

B.初步可行性研究

C.详细可行性研究

D.项目的评估和决策

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全站停电后恢复,停电前未锁闭的进路能自动解锁。

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在令牌环网中,当数据帧在循环时,令牌在( )。

A.接收站点

B.发送站点

C.环中循环

D.上面任何一个均不是

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