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【单选题】
CH3CH2COOH 在核磁共振谱图上有几组峰?最低场信号有几个氢?A.
3(1H)
B.
6(1H)
C.
3(3H)
D.
6(2H)
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皮皮学刷刷变学霸
举一反三
【简答题】For
some, the hardships of life without steady work ually overwhelmed their
attempts to keep their families together.A. the hardships of life without steady work ually overwhelmed their atte...
【单选题】Some families keep ____dogs in order to protect themselves from robbery, but____ most important reason is for companionship.
A.
the; a
B.
a; the
C.
a; a
D.
/; the
【单选题】For some, the hardships of life without steady work eventually overwhelmed their attempts to keep their families together.
A.
For some, the hardships of life without steady work.
B.
For some, the hardships of life overwhelmed their attempts .
C.
For some, the hardships of life eventually overwhelmed their attempts.
【单选题】For some, the hardships of life without steady work eventually________ their attempts to keep their families together.
A.
overwhelmed
B.
impaired
C.
concealed
D.
posed
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【单选题】12) Some families keep ____dogs in order to protect themselves from robbery, but____ most important reason is for companionship.
A.
the; a
B.
a; the
C.
a; a
D.
/; the
【简答题】麦芽α—淀粉酶的最佳作用温度是 ℃。
【简答题】甲企业按期末应收账款 5% 提取坏账准备。相关资料如下: 甲企业 2008年末应收账款余额为600 000元; 2009年发生坏账损失8 000元,其中:A公司6 000元,B公司2 000元,2009年末应收账款余额为650 000元。 2010年,上年已冲销的A公司应收账款6 000元又收回。2010年末应收账款余额为760 000元。 要求:( 1)编制2008年末计提坏账准备的会计分录。 ...
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