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【单选题】
在选购线性仪器时,必须在同一系列的仪表中选择合适的量程。这时必须考虑到应尽量使选购的仪表量程为欲测量的( )左右为宜。
A.
3倍
B.
10倍
C.
1.5倍
D.
0.75倍
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参考答案:
举一反三
【单选题】下面情况中哪个是造成炉墙结厚的原因( )
A.
长期边缘过轻,中心气流得不到发展。
B.
冷却强度过大,水温差高于正常水平,造成冷却设备局部漏水。
C.
喷吹量过大,热补偿不足,未燃煤粉增多,渣流动性变差,软熔带透气性变差。
D.
原料不足,长期堵部分风口,低冶强作业。
查看完整题目与答案
【单选题】下面情况中哪个是造成炉墙结厚的原因()
A.
长期边缘过轻,中心气流得不到发展。
B.
冷却强度过大,水温差高于正常水平,造成冷却设备局部漏水。
C.
喷吹量过小,热补偿不足,未燃煤粉增多,渣流动性变差,软熔带透气性变差。
D.
原料不足,长期堵部分风口,低冶强作业。
查看完整题目与答案
【单选题】I saw Tom in the meeting-room, so he attend the meeting.
A.
surely
B.
did
C.
does
D.
really
查看完整题目与答案
【单选题】-- I saw Tom in the bookstore just now. -- No, it ______ him. He moved to the USA last month.
A.
mustn’t be
B.
may not be
C.
can’t be
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【简答题】微生物菌种保藏的常用方法有哪些?
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【单选题】A horrible thought _________ him when he was waiting for Tom in the airport: what if the plane from Malaysia had been hijacked(劫持)?
A.
attacked
B.
struck
C.
beat
D.
occurred
查看完整题目与答案
【简答题】菌种保藏的原理是什么?菌种常用的保藏方法有哪些?
查看完整题目与答案
【简答题】微生物菌种常用的保藏方法有哪些?
查看完整题目与答案
【判断题】When encountering Tom in the train, Myrtle found that Tom had on a dress suit and patent leather shoes . From what he wore, she concluded that Tom must be rich man and then became Tom ’ s mistress . S...
A.
正确
B.
错误
查看完整题目与答案
【单选题】—Tom in the high jump at the school sports meet last week. —What a shame! [ ]
A.
do badly
B.
did well
C.
do bad
D.
did badly
查看完整题目与答案
相关题目:
【单选题】下面情况中哪个是造成炉墙结厚的原因( )
A.
长期边缘过轻,中心气流得不到发展。
B.
冷却强度过大,水温差高于正常水平,造成冷却设备局部漏水。
C.
喷吹量过大,热补偿不足,未燃煤粉增多,渣流动性变差,软熔带透气性变差。
D.
原料不足,长期堵部分风口,低冶强作业。
查看完整题目与答案
【单选题】下面情况中哪个是造成炉墙结厚的原因()
A.
长期边缘过轻,中心气流得不到发展。
B.
冷却强度过大,水温差高于正常水平,造成冷却设备局部漏水。
C.
喷吹量过小,热补偿不足,未燃煤粉增多,渣流动性变差,软熔带透气性变差。
D.
原料不足,长期堵部分风口,低冶强作业。
查看完整题目与答案
【单选题】I saw Tom in the meeting-room, so he attend the meeting.
A.
surely
B.
did
C.
does
D.
really
查看完整题目与答案
【单选题】-- I saw Tom in the bookstore just now. -- No, it ______ him. He moved to the USA last month.
A.
mustn’t be
B.
may not be
C.
can’t be
查看完整题目与答案
【简答题】微生物菌种保藏的常用方法有哪些?
查看完整题目与答案
【单选题】A horrible thought _________ him when he was waiting for Tom in the airport: what if the plane from Malaysia had been hijacked(劫持)?
A.
attacked
B.
struck
C.
beat
D.
occurred
查看完整题目与答案
【简答题】菌种保藏的原理是什么?菌种常用的保藏方法有哪些?
查看完整题目与答案
【简答题】微生物菌种常用的保藏方法有哪些?
查看完整题目与答案
【判断题】When encountering Tom in the train, Myrtle found that Tom had on a dress suit and patent leather shoes . From what he wore, she concluded that Tom must be rich man and then became Tom ’ s mistress . S...
A.
正确
B.
错误
查看完整题目与答案
【单选题】—Tom in the high jump at the school sports meet last week. —What a shame! [ ]
A.
do badly
B.
did well
C.
do bad
D.
did badly
查看完整题目与答案
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