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LZB-40转子流最汁转子为不锈钢(密度为7 920 kg／m3)，刻度标值以基准，量程为0．25～2．5 m3／h，若用此流量计测量酒精(密度为800 kg／m3)，则酒精的实际流量要比刻度值_________，校正系数为_________，测量酒精时，此流量计的最大流培值为_________m3／h。若上述转子流量计改用形状完全相同的铅转子(密度为10 670 kg／m3)代替原不锈钢转子，测量的流体仍为水，则实际流量要比刻度值，校正系数为，测量实际量程范围为_________m3／h。
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【简答题】 trcmp() 函数是根据 【 】 比较两个字符串的大小。
【简答题】you | at | this | Frankie | home | and | afternoon | wereLaura: ______ ______ ______ ______ ______ ______ ______ ______?Maggie: We were at the movies. We saw Space Frontiers.
【单选题】听力原文：W: Hi, John. I haven't seen you since we were at the university. M: That's right. You took business administration, didn't you'? Q: What is the relationship between the two speakers? (4)
A.
They were schoolmates.
B.
They are very good friends.
C.
They were both businessmen years ago.
D.
They are professors of a certain university.
【简答题】1. Chris: ______ at home last night?Luis: No, I was at my office. I was there until 11:00.2. Laura: Were you and Frankie at home this afternoon?Maggie: No, __________ . We were at the movies. We saw A...
【单选题】Laura: Were you and Frankie at home this afternoon? Maggie: No, we ____________. We were at the movies. We saw Avalanche
A.
was
B.
were
C.
wasn’t
D.
weren’t
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