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【多选题】
下列属于非关税壁垒的有( )。A.
外汇管制
B.
进口配额
C.
出口限制
D.
进口许可证制
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【简答题】The author suggests that our perception of children's psychological devotement was much influenced by ________. [A] the marketing of products for children [B] the observation of children's nature [C] ...
【单选题】Our perception of risk lives largely in our feelings, so most of the time we are operating on an automatic system for analyzing risks.
A.
Y
B.
N
C.
NG
【简答题】一个两位数的个位上的数的3倍加1是十位上的数，个位上的数与十位上的数的和等于9，这个两位数是多少？
【简答题】有一个两位数，在它的十位和个位数字之间加上一个小数点，再和这个两位数相加，得数是20.9。这个两位数是（ ）。
【单选题】Our visual perception depends on the reception of energy reflecting or radiating from ______ which we wish to perceive.
A.
it
B.
these
C.
that
D.
those
【单选题】The author suggests that our perception of children's psychological development was much influenced by .
A.
the marketing of products for children
B.
the observation of children's nature
C.
researches into children's behavior
D.
studies of childhood consumption
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