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【简答题】
一个消费者对某种商品的数量感到足够了,这说明他对该种商品的边际效用已经达到了极大值。
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参考答案:
举一反三
【单选题】Judging from recent surveys, most experts in sleep behavior. agree that there is virtually an epidemic of sleepiness in the nation. 'I can't think of a single study that hasn't found Americans getting...
A.
less
B.
more
C.
little
D.
much
【单选题】All experts agree that the most important consideration with diet drugs is carefully______ the risks and benefits.
A.
weighing
B.
valuing
C.
evaluating
D.
distinguishing
【单选题】本工程北立面中400宽构造柱顶标高为( )m。 (2.5)
A.
18.2
B.
19.2
C.
19.7
D.
14.4
【单选题】All experts agree that the most important consideration with diet drugs is carefully ­­___ the risks and benefits .
A.
weighing
B.
checking
C.
taking
D.
supposing
【单选题】城市道路的十字路口采用电子警察摄像的方式监管车辆闯红灯的现象,通过感应触发启动摄像头工作,这个过程属于()。
A.
信息处理
B.
信息采集
C.
信息加工
D.
信息储存
【单选题】Judging from recent surveys, most experts in sleep behavior. agree that there is virtually an epidemic of sleepiness in the nation. 'I can't think of a single study that hasn't found Americans getting...
A.
no drive and ambition
B.
no electric lighting
C.
the best sleep habits
D.
something to do in the evening
【单选题】踝关节跖屈的主要关键肌是()
A.
肱二头肌
B.
肱三头肌
C.
股四头肌
D.
股二头肌
E.
腓肠肌、比目鱼肌
【单选题】Most experts agree that washing hands regularly is a ______way to prevent the spread of many diseases.
A.
powerful
B.
illegal
C.
painful
D.
awful
【简答题】Judging from recent surveys, most experts in sleep behavior agree that there is virtually an epidemic(流行病) of sleepiness in the nation.“I can’t think of a single study that hasn’t found Americans gett...
【单选题】本工程北立面中 400 宽构造柱顶标高为( ) m 。
A.
14.4
B.
18.2
C.
19.2
D.
19.7
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