皮皮学,免费搜题
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搜题
【单选题】
描述正态或近似正态分布资料特征的是
A.
中位数、四分位间距
B.
均数、标准差
C.
中位数、标准差
D.
几何均数、全距
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举一反三
【判断题】When we use questions in the opening paragraph, we’d better avoid controversial questions.
A.
正确
B.
错误
【简答题】Please extend the L/C for ten days.
【简答题】We’d better use _________before the receiver’s name to show our respect.
【单选题】基本夹紧机构中,自锁性好、夹紧行程大的是( )
A.
斜楔夹紧机构
B.
偏心夹紧机构
C.
螺旋夹紧机构
D.
较链夹紧机构
【简答题】We’d better use _________before the receiver’s name to show our respect.
【单选题】菌种衰退的根本的直接的内因是基因的( )。
A.
自发突变
B.
诱发突变
C.
重组
D.
杂交
【判断题】Since academic writing is very formal, we’d better avoid the use of slangs, contractions or incomplete sentences.
A.
正确
B.
错误
【判断题】Since academic writing is very formal, we’d better avoid the use of slangs, contractions or incomplete sentences.
A.
正确
B.
错误
【多选题】We’d better use ________ in the title of our graduation thesis.
A.
nouns
B.
noun phrases
C.
prepositional phrases
D.
gerunds
E.
sentences
【简答题】(Please answer: What princile does the sentence violate? and try to revise the sentence.) Please extend the L/C for ten days.
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