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【判断题】
在定量测定时同一厂家出品的同一规格的比色皿也要经过检验配套。
A.
正确
B.
错误
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参考答案:
举一反三
【简答题】选择方框中的句子补全对话(有两项多余)。 A. How's it going? B. What are you doing now? C. What is she doing? D. This is Mary speaking. E. It's sunny. F. How's the weather in Beijing? G. Do you like rainy days? A: Hello! ...
【单选题】集成运放电路采用直接耦合方式是因为
A.
可获得很大的放大倍数
B.
可使温漂小
C.
集成工艺难于制造大容量电容
D.
以上答案都不对
【简答题】根据所给情景,给问句选择答语。 (     ) 1. Where is Tom? (     ) 2. Do you have a ruler? (     ) 3. What are they doing? (     ) 4. What are they going to do? (     ) 5. Are they new pupils? (     ) 6. Thank you. (  ...
【单选题】— What do you think of teacher, Bob? — I find it fun and challenging. It is a job _____ you are doing something serious but interesting. [     ]
A.
where
B.
which
C.
when
D.
that
【单选题】集成运放电路采用直接耦合方式是因为 。
A.
可获得很大的放大倍数
B.
可使温漂小
C.
集成工艺难于制造大容量电容
D.
电源电压不稳定
【简答题】III . 根据对话内容,从方框中选择恰当的选项补全对话,其中有两项多余。 A: Hi, Alice! (1) ________ B: I’m a plan for next weekend. A: Oh? What are you going to do next weekend? B: (2) ________ A: Really? I went there last weeke...
【单选题】—What ______ you ______ when the phone rang? —I was washing my hair in the bathroom. [     ]
A.
were, doing
B.
was, doing
C.
did, do
D.
are, doing
【简答题】根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 The Winner’s Guide to Success How do successful people think? What helps them to make success? To find out the answers, an American scholar recently visited s...
【简答题】One day Mr. and Mrs. Green went shopping by ear. They stopped their car near a shop. They bought many things from the shop and the things were very heavy. They wanted to put the things in their car. B...
【单选题】集成运放电路采用直接耦合方式是因为:
A.
零漂小
B.
能放大交直流信号
C.
集成工艺难于制造大容量电容
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