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【简答题】
视崖是一种研究婴儿（ ）的装置。
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【简答题】The key factor of divorce is gender hierarchy and gender inequality.
【单选题】When I look ________ at my childhood,I realize it was the happiest time for me.
A.
up
B.
down
C.
forward
D.
back
【单选题】In the developed countries, the dominant factor in the next society will be something to which most people are only just beginning to pay attention: the rapid growth in the older population and the ra...
A.
The influence of aging problem.
B.
The shrinking of younger population.
C.
The changing of working style.
D.
The change of consuming pattern.
【单选题】Only when 1 was fourteen__________the importance of study．
A.
I realized
B.
did I realize
C.
had I realized
D.
I had realized
【单选题】It was only when I entered high school _____ the importance of English. [ ]
A.
did I realize
B.
realized I
C.
that did I realize
D.
that I realized
【单选题】_____ I heard his voice trembling did I realize what trouble he was in.
A.
Only when
B.
Until when
C.
No sooner had
D.
Hardly had
【判断题】The conditional factor demand function for factor 1 is a function x1(w1, w2, y) that tells the ratio of price to output for an optimal factor choice of the firm.
A.
正确
B.
错误
【单选题】What does “attach to” mean in the sentence “Only when I left earth, did I realize that I was so attached to my family and friends”?
A.
fasten
B.
join
C.
enjoy
D.
connect
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