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【判断题】
四氟乙烯常温常压下为无色无味的气体,比空气重2倍,是制取全氟丙烯单体的原料气。
A.
正确
B.
错误
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举一反三
【单选题】下列句子没有语病的一项是
A.
不可否认网络通信技术没有为我们的生活带来方便。
B.
脐橙是当地著名的经济作物,许多赣南农民以种植脐橙为生。
C.
班主任严肃处置了小明欺负班上弱小同学。
D.
他的成绩不仅在学校很突出,而且在班里也名列前茅。
【判断题】编制环境影响报告书的项目大气环境影响评价在采用估算模型计算评价等级时,应输入地形参数。
A.
正确
B.
错误
【单选题】We _____________ the problem very early and were able to correct it.
A.
increased
B.
identified
C.
ignored
D.
inspired
【判断题】对文物的保护与利用也正在成为考古研究的内容与过程。()
A.
正确
B.
错误
【单选题】We arrived ______ late that there were no seats left.
A.
much
B.
too
C.
so
D.
very
【单选题】We were all very much attracted by the beautiful scenery ______ we set foot in the village.
A.
quickly
B.
suddenly
C.
finally
D.
immediately
【单选题】____the end of the day, we were very tired.
A.
In
B.
At
C.
To
D.
By
【单选题】下列句子没有语病的一项是
A.
这张照片仿佛把我带回到了那个充满无限乐趣的童年。
B.
由于运用了科学的学习方法,他的学习效率有了很大改进
C.
高三年级八班的语文成绩是全年级最好的一个班级
D.
一个人是否拥有健康的体魄,关键在于持之以恒地参加体育锻炼
【单选题】Two months ago, we were very bearish, but_______then we have switched our strategy to the bullish side.
A.
yet
B.
still
C.
already
D.
since
【简答题】Children are very, very observant and have excellent memories. Around Christmas last year, we were heading to Grandma’s house. The drive was an hour long, so we had plenty of time to chat. We were wai...
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