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【单选题】
当事人对履行期限约定不明,又不能达成补充协议且无相应交易习惯时A.
债权人可随时要求履行,债务人不可随时履行
B.
债权人不可随时要求履行,债务人可随时履行
C.
债权人可随时要求履行,债务人可随时履行
D.
债权人不可随时要求履行,债务人不可随时履行
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反馈参考答案：
举一反三
【单选题】--May I speak to Mary? --_______ .
A.
No, you can’t.
B.
Yes, I am Mary.
C.
Yes, this is Mary speaking.
【单选题】I (11) (12) English girl． (13) name is Joan． I'm 12． I have a Chinese (14) ． (15) name is Sun Hui． We're in the same(相同的)class． All her family (16) in China now． Her father is a teacher in our school．...
A.
is
B.
am
C.
are
D.
be
【简答题】求未知数 x： i 8 = 2 i ：4 8.4+40%X=12．
【单选题】—Is your cold getting_________? —No，the medicine I took seems to have no effect(作
A.
12． —Is your cold getting_________? —No，the medicine I took seems to have no effect(作用)． A．bad
B.
less
C.
well
D.
better
【单选题】－－－ Are you familiar ___ the music ? －－－ Yes. The music is very familiar___me, but I can’t remem
A.
12. --- Are you familiar ___ the music ? --- Yes. The music is very familiar___me, but I can’t remember when and where I heard it . A．with , with
B.
to , to
C.
with , to
D.
to , with
【多选题】若直裙前片收四个省,下列将它们之间的长短关系描述正确的是( )。
A.
靠近前中的省长于靠近腰侧的省
B.
靠近前中的省短于靠近腰侧的省
C.
可以一样长
D.
长度不限
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