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【判断题】
用万用表测量电路中的三极管,当测得 时,三极管处于截止状态。A.
正确
B.
错误
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【简答题】Wang Peng sat in his empty restaurant feeling very ##1## ( frustrate ) . Why did no customers come to his restaurant for dinner ? By now it ought to be full of people . So he followed Li Chang into a ...
【简答题】陶瓷整个析晶的速度取决于晶核的______和晶体的______。
【简答题】用所给动词的适当形式填空。 1. They _____ (go) to the park last Sunday. 2. Bob was so tired that he _____ (sleep) earlier than usual. 3. My mother _____ (give) me a present lasl. Christmas. 4. Mrs. Li _____ (live)...
【简答题】某公司出口货物一批,单价为1200美元/公吨CIF纽约,按发票金额的110%投保,投保一切险,保险费率为0.8%。现在客户要求该报CFR价格,计算在不影响我国收汇的前提下,应该报价多少?
【多选题】女性,62岁,突发胸痛2h入院。心电图V1~V5ST段抬高,弓背向上,即抽血查CK-MB轻微升高,达不到心肌梗死的诊断标准。请示上级医生,认为急性心肌梗死的可能性最大,有关心肌酶学的测定,以下哪项是正确的?
A.
肌红蛋白起病2h升高，12h达高峰，24h-48h后恢复正常
B.
肌钙蛋白起病3-4h升高，24h左右达高峰，维持10-14天
C.
CK-MB4h升高，16~24h达高峰，32h恢复正常
D.
CPK存在于心肌、骨骼肌几恼组织，故特异性不高
E.
肌红蛋白的特异性仅次于肌钙蛋白
【简答题】I. 语法填空 Wang Peng sat in his empty restaurant feeling very ##1## ( frustrate ) . Why did no customers come to his restaurant for dinner ? By now it ought to be full of people . So he followed Li Chang...
【简答题】A farmer was selling(卖) his little dogs. Just then, a __1_ happened to pass by. “I want to __2__ one of your dogs, sir.” “Well,” said the farmer, “these dogs come from fine parents and cost a lot of _...
【单选题】听力原文： Abraham Lincoln was born in a log cabin in Kentucky on February 12, 1809. When Lincoln was a young man, his family moved to the new state of Illinois. Lincoln had to earn a living at an early ag...
A.
In 1809.
B.
In 1863.
C.
In 1865.
D.
In 1860.
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