单词拼写。 1. ______(包围) the city by a wall,o

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问题:

单词拼写。

1. ______ (包围) the city by a wall,our ancestors protected themselves very well.

2. ______ (告知) when to leave, we began to make preparations at once.

3. He often ______ (祝贺) himself on having done an excellent job.

4. She strongly ______ (相似) her sister.

5. She found herself in c______ with her parents over her future career.

6. Thank you for r______ me from an embarrassing situation.

7. Are you still c______ with your American friend?

8. Weather p______, I will go fishing this weekend.

9. Our school can't t______ cheating on exams.

10. It is an unusual decision to p______ his wedding until next year.

考点:现在分词单词、词组动词的第三人称单数动名词过去分词
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低脱硝技术可用于处理废气中的氮氧化物,发生的化学反应为: 2NH3(g)+NO(g)+NO2(g)

2N2(g)+3H2O(g) ΔH<0。在恒容的密闭容器中,下列有关说法正确的是[ ]

A.平衡时,其他条件不变,升高温度可使该反应的平衡常数增大

B.平衡时,其他条件不变,增加NH3的浓度,废气中氮氧化物的转化率减小

C.单位时间内消耗NO和N2的物质的量比为1∶2时,反应达到平衡

D.其他条件不变,使用高效催化剂,废气中氮氧化物的转化率增大

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男性,30岁,左上1缺失,余留牙正常,咬合关系良好,要求烤瓷桥修复。经基牙预备后比色 。

比色时天气与光线的方向应该是 ()

A.少云晴天,自然光线由北向南采光

B.少云晴天,自然光线由南向北采光

C.无云晴天,自然光线由北向南采光

D.无云晴天,自然光线由南向北采光

E.多云晴天,自然光线由南向北采光

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在示意图中地理事物的名称表达,不正确的是(  )

A.A岛屿

B.B海峡

C.C半岛

D.D大洋

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时间差

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城中村

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