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【多选题】
的过滤器在什么情况下需要更换
A.
闻到气味
B.
密封不严
C.
呼吸困难
D.
到了保质期
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【单选题】The way people cling to the belief that a full-filled, pain-free life equals happiness actually diminishes their chances of ever attaining real happiness. If fun and pleasure are equated with happines...
A.
are somewhat denied the chances of gaining happiness
B.
will remain single although they may go dating
C.
must know what true happiness is
D.
should devote more time to activities
【简答题】The way people hold to the belief that a fun - filled, pain free life equals happiness actually reduces their chances of ever attaining real happiness. If fun and pleasure are equal to happiness then ...
【简答题】The way people hold to the belief that a fun­filled,pain­free life equals happiness actually reduces their chances of ever attaining real happiness.If fun and pleasure are equal to happiness,then pain...
【单选题】Expansion tank
A.
膨胀水箱
B.
油底壳
C.
散热器
D.
凸轮轴
【判断题】所有的细菌都是有鞭毛的。
A.
正确
B.
错误
【简答题】expansion tank
【简答题】在学习有关细菌的课程时,小明说所有的细菌都有鞭毛和荚膜;小华说小明的说法不正确,应当是有的细菌有鞭毛,有的细菌有荚膜。小华和小明谁的说法更加准确 。被称为微生物学之父的科学家是 。(2分)
【判断题】几句形态一样的乐句连续出现是模进
A.
正确
B.
错误
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