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【单选题】
下列属于资金来源类的科目是( )。A.
预付工程款
B.
预付备料款
C.
企业债券资金
D.
采购保管费
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反馈参考答案：
举一反三
【单选题】When having dinner, the guests are expected to______.
A.
eat their food slowly
B.
help the host serve food
C.
serve each other at the table
D.
help themselves to more food
【单选题】Most of the guests ________ to the wedding last week were his classmates and friends.
A.
having been invited
B.
to be invited
C.
being invited
D.
invited
【简答题】名词解释: 燃气热值;理论空气需要量;过剩空气系数;理论烟气量。
【单选题】Ann suggests that Mary offer drinks______.
A.
while the guests are having small talks
B.
when all the guests have arrived
C.
after the guests finish small talks
D.
after the dinner comes to an end
【简答题】汽车一般由( )、底盘、( )及电气设备等四部分构成。
【简答题】过量空气系数(名词解释)
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