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【单选题】
扫频仪又称为( ),是用来分析电路的频率响应,可以测试电路的幅频特性和特性。A.
逻辑转换仪
B.
逻辑分析仪
C.
波特图示仪
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举一反三
【简答题】试从电极头温度、弧焰温度、稳定性及主要用途比较三种常用光源(直流、交流电弧,高压火花)的性能。
【单选题】—Is there a market in the neighborhood? —_____.Just go straight and turn right. [ ]
A.
Yes, there is
B.
No. there isn 't
C.
Yes, it is
D.
No, it isn 't
【单选题】听力原文：M: That suitcase looks very heavy, Mrs White. Would you like me to carry it for you? W: No, it's quite all right. I can manage. Thank you for offering, though. Q: How does Mrs Smith respond? (13)
A.
She says she doesn't mind if the man carries the case.
B.
She is angry when the man offers to carry the case.
C.
She refuses the help.
D.
She thanks the man and accepts his offer.
【单选题】I have no desire other than to lead a quiet life, ______ from anxiety.
A.
absent
B.
separate
C.
free
D.
short
【简答题】患者，女性，24岁。孕34周，产前检查时测血压170/110mmHg，拒绝住院治疗，3小时前突然剧烈腹痛，伴少量阴道流血，血压75/40mmHg，脉搏120次/分，宫底剑突下二横指，胎位不清。该患者最可能的诊断是A、前置胎盘 B、胎盘早剥 C、不完全性子宫破裂 D、早产临产 E、先兆子痫 对该患者正确的处理是A、抗休克，缩宫素引产 B、抗休克，等待自然分娩 C、人工破膜，缩宫素引产 D、抗休克，尽...
【判断题】A:As a private railway company, there is a certain lack of investment in safety. Is this the cause of the recent railway accidents?B:Although the safety investment is below standard, I would like to s...
A.
正确
B.
错误
【简答题】Directions: 1.Read the conversation and fill in the blanks with the information below 2. Listen to the tape and check your answer. here’s your key is that correct enjoy your stay may I help you we hav...
【简答题】3 Kevin: I have short black hair, brown eyes and a(n) ________ (athletic / muscular) build.
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