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【多选题】
半自动旋合式封口机其破瓶率高的主要原因是A.
瓶罐与进瓶转盘、护瓶架之间的间隙大小不均
B.
密封橡胶圈破损，应检查、更换破损橡胶圈
C.
整机动作不协调
D.
离合器滚轮磨损
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举一反三
【单选题】According to paragraph 3, one significant difference between the father's and mother's role in child-rearing is ______.
A.
the style. of play encouraged
B.
the amount of time available
C.
the strength of emotional ties
D.
the emphasis of intellectual development
【简答题】con_rol
【单选题】According to Ms. Bertini, in the mission to end hunger, women play ______.
A.
a decisive role.
B.
a minor role.
C.
an important role.
D.
no role at all.
【单选题】In an extension, we can change the focus of the argument from principle to ___________.
A.
value
B.
rules
C.
causes
D.
consequence
【单选题】In an extension, we can change the focus of the argument from principle to ___________.
A.
value
B.
rules
C.
causes
D.
consequence
【简答题】ROL为()移位指令,ROL为()移位指令
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