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【判断题】
产品成本计算的品种法，只能在大量大批单步骤的生产企业里采用，不能在其他类型的企业中采用。()A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】She ______ it but she was too lazy.
A.
might have finished
B.
must have finished
C.
must finish
D.
could have finished
【单选题】She must have told us a lie, because she looked ________ quickly.
A.
at
B.
into
C.
for
D.
away
【单选题】She can speak quite fluent English.She____.
A.
must been in the U.S.A.for some time
B.
must have been in the U.S.A.for some time
C.
should have been in the U.S.A.for some time
D.
May be in the U.S.A.for some time
【简答题】I thought that she must have d_________told eve9. I thought that she must have d_________told everyone about my mark after promising not to.
【多选题】划分一个周转轮系的判断有如下选项,其中正确的选项为( )。
A.
轮系中凡中心线绕主轴线转动的齿轮都属行星轮
B.
轮系中至少有一个而且仅有一个行星架
C.
轮系中仅能有两个太阳轮
D.
轮系中最多只能有两个行星轮
【简答题】She must have told us a lie, because she looked _____ quickly.
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