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【单选题】
某工厂生产的产品，用速度恒定的传送带将产品送入包装车间之前，质检员每隔3分钟从传送带上特定位置抽取一件产品进行检测，这种抽样方法是( )A.
简单随机抽样
B.
其他抽样方法
C.
分层抽样
D.
系统抽样
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举一反三
【单选题】In the country the price of vegetables________ sharply in a short time, which arises panic among some customers.
A.
has lifted on
B.
have raised to
C.
has risen by
D.
has got into
【简答题】三层 C/S 结构包括客户机、 和数据库服务器三部分
【单选题】Which of the following is NOT one of the classifications of noise?
A.
external noise
B.
internal noise
C.
semantic noise
D.
physiological noise
E.
psychological noise
【单选题】Quite the opposite in fact, I like to live ________ much traffic and noise.
A.
in which there is
B.
in the place there is
C.
wherever
D.
where there is
【单选题】I can't stand the terrible noise ______ she is crying loudly．
A.
It
B.
which
C.
this
D.
that
【单选题】Which of the following is NOT under the terms of the Noise Abatement Act?
A.
Musical noise from the neighborhood.
B.
Noise from factories.
C.
Noise on campus.
D.
Air-craft noise.
【简答题】which noise is a spatially dependent?( )A. Periodic
noise B. Gaussian noise C. Uniform noise D. Gamma noise
【单选题】I can ______ some noise while I'm studying, but I can't stand very loud noise. [ ]
A.
put up with
B.
get rid of
C.
have effects on
D.
keep away from
【单选题】Lexical ambiguity arises from polysemy or______which can not be determined by the context.
A.
homonymy
B.
antonymy
C.
meronymy
D.
synonymy
【单选题】According to the interview, which of the following problems arises most often at the Odeon?
A.
Employees are dishonest.
B.
Employees are impolite to customers.
C.
Young employees are late and absent.
D.
Employees don't obey the disciplinary procedure..
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