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【单选题】
2008年关于新富阶层的调查报告中提到中国的新富阶层已经占到总人口的()。
A.
.05
B.
.06
C.
.08
D.
.09
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参考答案:
举一反三
【单选题】One day Jack's wife was cleaning the house. 'Look at all these umbrellas (雨伞) ,' Jack's wife said to him. 'There are eight and they are broken.' 'I'll take them all to the umbrella shop. Maybe the wor...
A.
She was doing some washing.
B.
She was doing some cleaning.
C.
She was doing some shopping.
【单选题】Look! Emma is_______ her bedroom. Her room is always_________.
A.
clean, clean
B.
clean, cleaning
C.
cleaning, clean
D.
cleaning, cleaning
【单选题】I ________ the living room.Look,it is clean.
A.
clean              
B.
am cleaning    
C.
have cleaned
【单选题】Peter said,“jack,clean the room at once.” Peter ______the room at once.
A.
Asked jack to clean
B.
Asks jack to clean
C.
Asked jack clean
D.
Asks jack clean
【单选题】决定电流互感器原边电流大小的因素是
A.
副边电流
B.
副边所接负载
C.
变流比
D.
被测电路
【单选题】Look! The students ______ the classroom. [     ]
A.
clean
B.
are cleaning
C.
are clean
D.
cleaning
【单选题】决定电流互感器原边电流大小的因素是()
A.
副边所接负载
B.
被测电路
C.
副边电流
【判断题】戴在眼睛前的镜片不止是单纯的镜片,而是与眼球组成新的眼球光学系统。使外界物 体成像在视网膜上。
A.
正确
B.
错误
【单选题】决定电流互感器原边电流大小的因素是
A.
副边电流
B.
副边电压
C.
变流比
D.
被测电路的负载
【单选题】下列关于美国科罗拉多大峡谷说法错误的是?
A.
是世界七大奇观之一
B.
组成的岩石以红色为主
C.
被誉为“活的历史教科书”
D.
位于澳大利亚东部沿海
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