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【单选题】
我国著名的雕塑作品《奉先寺那大佛像》位于______。()A.
龙门石窟
B.
云岗石窟
C.
麦积山石窟
D.
敦煌莫高窟
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反馈参考答案：
举一反三
【简答题】信号系统通常包括三个部分:( )、( )、( )。
【单选题】Some cyclists make the _______ that traffic laws do not _______ them. It is not true, _______.
A.
assumption; apply to; though
B.
thought; apply to; however
C.
assuming; apply for; though
D.
idea; apply for; however
【判断题】Economists acting as scientists make positive statements, while economists acting as policy advisers make normative statements.
A.
正确
B.
错误
【简答题】试证明： (AHA)+=A+(AH)+， (AAH)+=(AH)+A+， (AHA)+=A+(AAH)+A=AH(AAH)+(AH)+，AA+=(AAH)(AAH)+=(AAH)+(AAH)．
【单选题】A man has to make ______ for his old age by putting aside enough to live on.
A.
supply
B.
assurance
C.
provision
D.
adjustment
【简答题】Aah! She is 8)___. Let us take a closer look.
【单选题】Economists make assumptions to
A.
mimic the methodologies employed by other scientists.
B.
minimize the number of experiments that yield no useful data.
C.
minimize the likelihood that some aspect of the problem at hand is being overlooked.
D.
focus their thinking on the essence of the problem at hand.
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