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【单选题】
甲公司采用人民币为记账本位币，对外币业务采用交易发生日的即期汇率折算，按月结 算汇兑损益。2014年3月20日，该公司自银行购入240万美元，银行当日的美元买入 价为1美元=6. 9元人民币，银行当日的美元卖出价为1美元=7.00元人民币，当日市 场汇率为1美元=6.95元人民币。则上述外币兑换业务对甲公司3月份收益的影响金额 为（ ）万元人民币。A.
24
B.
-12
C.
-24
D.
12
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举一反三
【判断题】Gerhard Lenski used the concept “sociocultural evolution” to refer to how technological innovation changes the shape of societies.
A.
正确
B.
错误
【单选题】The grammatical meanings of a word refer to that part of the meaning of the word which indicates grammatical concept or relationship such as ____.
A.
part of speech of words
B.
singular and plural meaning of nouns
C.
tense meaning of verbs and their inflectional forms
D.
all the above
【简答题】原核生物DNA合成时,先由( )合成RNA引物,再由( )在其3’端合成DNA链
【单选题】Something has been happening to the concept of 'fiction,' both in critical discourse and elsewhere. For a long time, this concept operated under commonly understood restrictions. It was used to refer ...
A.
only operates under commonly understood restrictions
B.
has recently been expanded
C.
is applied to something different
D.
is undergoing a change only in critical discourse
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