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【单选题】
Why had nearly a million people come to watch the launch of Apollo 11 ?A.
They had come to intensify the excitement.
B.
They just wanted to show their support for the national project.
C.
It was mankind's first attempt to land on the moon and no one wanted to miss the historic event.
D.
They didn't believe the mission would succeed.
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举一反三
【单选题】对于没有胎冠指示器的轮胎，通过测量胎冠深度知道轮胎的磨损情况，一般胎冠深度低于（）时需要更换轮胎。
A.
0.8mm
B.
1.6mm
C.
2.4mm
D.
3.2mm
【简答题】常规情况,当人体不慎接触泄露液时,应立即用大量水冲洗( )分
钟A. 1-2 B. 5-10 C. 10-15 D. 100-150
【单选题】对于没有胎冠指示器的轮胎,通过测量胎冠深度知道轮胎的磨损情况,一般胎冠深度低于( )时需要更换轮胎。
A.
0.8mm
B.
1.6mm
C.
3.2mm
D.
2.4mm
参考解析：
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