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【多选题】
虫媒花的特征是( )。A.
鲜艳
B.
无花被
C.
有特殊香味
D.
花粉粒小
E.
花粉粒表面粗糙
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举一反三
【单选题】Which of the following is true according to this ad?
A.
The more books you buy, the less money you will pay.
B.
You have to pay more for any books if you don't join the coop.
C.
You can place an order for a world-wide magazine from this shop.
D.
Most of the shareholders are teachers.
【简答题】A more precise term for acid rain is______, which has two parts: wet and dry.
【单选题】Any acid can, in principle, neutralize any base, although ______ between some of the more reactive compounds.
A.
side reactions can occur
B.
the occurrence of side reactions can
C.
can side reactions occur
D.
side reactions that can occur
【单选题】Do you think it is _________ to expect people to work more than 60 hours a week?
A.
adequate
B.
reasonable
C.
attractive
D.
comfortable
【单选题】Acid rain means the precipitation in the form. of rain, snow or hail which is more acidic than normal.
A.
Y
B.
N
C.
NG
【多选题】在国际结算中使用的本币资产也可以称为外汇，但这种外汇必须具备下列哪些性质。( )
A.
必须经过中央银行和政府，或具有官方职能的机构、企业所签订的协议而形成
B.
它主要是用于偿付双方国际收支逆差的
C.
它具有自由兑换性质
D.
它未经协议方同意可以转换为第三国货币
【单选题】下列关于外汇的说法不正确的是()。
A.
外汇必须具有国际性
B.
外币债券资产必须能够在国外得到偿付
C.
外汇必须具有可兑换性
D.
任何国家都可以作为被称为外币的货币的发行国
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