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【单选题】
装配紧键时,要用涂色法检查紧键上下表面与轴槽接触情况,发现接触不良可用刮刀锉刀修整 。A.
键槽
B.
键上表面
C.
键上下表面
D.
键侧面
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举一反三
【单选题】听力原文： In Britain, if you are found guilty of a crime, you can be sent to prison or be fined or be ordered to do community work such as tidying public places and helping the old. You may also be sent t...
A.
He will be hanged.
B.
He will be fined heavily.
C.
He will be sent to an open prison.
D.
He will be ordered to do some community work.
【单选题】杂质半导体中的载流子输运过程的散射机构中，当温度升高时电离杂质散射概率的变化是（ ），和晶格振动的散射概率的变化是（ ）。
A.
变大，变小
B.
变小，变大
C.
变小，变小
D.
变大，变大
【单选题】听力原文： In Britain, if you are found guilty of a crime, you can be sent to prison or be fined or be ordered to do community work such as tidying public places and helping the old. You may also be sent t...
A.
To be sent to a prison,
B.
To be tortured physically.
C.
To be ordered to do community work.
D.
To be fined.
【单选题】You are guilty of plagiarism if you:
A.
make use of the works of others to generate your own idea.
B.
use the work of another and misrepresent it as your own.
C.
make use of the works of others to support your own arguments.
D.
examine the ideas and arguments of others to help you shape your own thoughts or views on a particular issue.
【单选题】杂质半导体中的载流子输运过程的散射机构中,当温度升高时,电离杂质散射的概率和晶格振动声子的散射概率的变化分别是
A.
变大，变小
B.
变小，变大
C.
变小，变小
D.
变大，变大
【单选题】If you are guilty of failure to properly perform your duties as Operator of Uninspected Towing Vessels，which of the following actions may NOT be taken?
A.
Issuance of a letter of warning
B.
Suspension of your license
C.
Revocation of your license
D.
A fine placed against your license
【单选题】听力原文： In Britain, ff you are found guilty of a crime, you can be sent to prison or be fined or be ordered to do community work, such as tidying public places and helping the old. You may also be sent ...
A.
are kept in open prisons
B.
are allowed out of the prison grounds
C.
are ordered to do cooking and cleaning
D.
are a small portion of the prison population
【单选题】杂质半导体中的载流子输运过程的散射机构中,当温度升高时,电离杂质散射的概率和晶格振动散射的概率的变化分别是:
A.
变大,变小
B.
变小,变大
C.
变小,变小
D.
变大,变大
【单选题】The key to shaking off the guilty feeling of saying 'no' is that ______.
A.
you agree to do something else instead.
B.
you try your best to ignore its effects.
C.
you are aware that people are used to others' refusal.
D.
you realize that you aren't the only one they rely on.
【多选题】以下说法正确的有哪些
A.
基因组是基因中一个功能性遗传单位
B.
基因组是一个细胞或一种生物的全部遗传物质
C.
基因的本质是核酸片段
D.
原核生物基因组大多数有多条染色体
E.
一个完整的基因片段应包含调控序列、非编码序列及插入序列
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