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【单选题】
在平面磨床上,磨削工件时,不能采用下列哪一种定位?
A.
完全定位
B.
不完全定位
C.
过定位
D.
欠定位
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参考答案:
举一反三
【单选题】下面哪一个是RFLP的中文全称
A.
扩增片段长度多态性
B.
随机扩增多态性DNA标记
C.
限制性内切酶片段长度多态性
D.
序列特异性扩增区
【单选题】In the sentence “Do not leave your money in a piggy bank or under your mattress”, the phrase “piggy bank” means ( ).
A.
a relatively small bank
B.
a relatively infamous bank
C.
a small container that is used for saving money
【单选题】The phrase 'increment, earned though not received' in the third paragraph means ____.
A.
money one has earned and will be paid later
B.
money one has earned, but will not be paid to him/her
C.
something that one earns through a job, but is not counted in terms of pay
D.
something that onereams that has nothing to do with his or her job
【单选题】Secondly ,do not stop ________you come to a word or a   phrase you do not know. [     ]
A.
for the first time
B.
because
C.
every time
D.
since
【单选题】SSR标记被称为( )。
A.
简单序列重复
B.
扩增片段长度多态性
C.
随机扩增多态性DNA
D.
限制性片段长度多态性
【简答题】Have you ever heard someone use the phrase” once in a blue moon”? People use this expression to describe something that they do not do very often. For example, someone might say that he tries to avoid...
【单选题】选出下列整形常量的最大值()。
A.
十进制数:123
B.
十六机制数:0xABC
C.
八机制数:0123
D.
二进制数:01010111
【简答题】色约占整个空间25%的面积,是决定空间色彩形象的色彩。
【单选题】which phrase has the similar meaning to "to make a person do something that they do not want to do?"
A.
allow sb to do sth
B.
refuse sb to do sth
C.
force sb to do sth
D.
remind sb to do sth
【单选题】Materials science can also do the converse: As desirable properties are defined, the material that can display them, although it might not exist in nature, is designed.What does the phrase "do the con...
A.
make an effect
B.
make every effort
C.
do sth from the opposite way
D.
prevent sb from doing sth
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