皮皮学,免费搜题
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【简答题】
根据用途分,可将燃气管道分为长距离输气管道、 、工业企业燃气管道等。
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举一反三
【单选题】下列叙述中正确的是(   )
A.
所有的细菌都有鞭毛
B.
所有的细菌都不能自己合成有机物
C.
没有氧气的地方当然也没有细菌
D.
潮湿环境容易滋生细菌和真菌
【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, and pain-free life equals happiness actually reduces their chances of ever attaining real happiness. If fun and pleasure are equal to happiness the...
【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...
【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 p...
【判断题】鞭毛是所有细菌都有的结构
A.
正确
B.
错误
【多选题】方脸形容易给人的印象是()。
A.
有毅力
B.
能干
C.
理性
D.
有工作效率
【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 pain...
【单选题】下列有关细菌的说法中正确的是(  )
A.
所有细菌都有鞭毛
B.
所有细菌都有荚膜
C.
芽孢是一种生殖细胞
D.
一个细菌只能形成一个芽孢,一个芽孢也只能形成一个细菌
【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)
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