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【简答题】
在纯净半导体中掺入微量 3 价元素形成的是() 型半导体
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】If law and order ______ not preserved, people will not he able to live a secure life.
A.
are
B.
were
C.
is
D.
was
【单选题】If law and order ______ not preserved, people will not be able to live a secure life. ( )
A.
are
B.
were
C.
is
D.
was
【单选题】挪威剧作家易卜生所说:“金钱能买来食物,却买不来食欲;金钱能买来药品,却买不来健康;金钱能买来熟人,却买不来朋友;金钱能用来奉承,却带不来信赖”。 把金钱作为衡量人生价值的唯一标准,这是典型的( )人生观。
A.
享乐主义
B.
极端个人主义
C.
拜金主义
D.
实用主义
【简答题】If law and order not preserved，people will not be able tO live a secure life．
【单选题】If law and order______not maintained, neither the citizens nor their properties are safe.
A.
were
B.
are
C.
is
D.
was
【判断题】挪威剧作家易卜生所说:“金钱能买来食物,却买不来食欲;金钱能买来药品,却买不来健康;金钱能买来熟人,却买不来朋友;金钱能用来奉承,却带不来信赖。”这说明,金钱不是万能的,人应当做金钱的主人,而不是金钱的奴隶。()
A.
正确
B.
错误
【单选题】If law and order as well as rules and regulations _____, neither the citizen nor his property is safe. [ ]
A.
are not observed
B.
is not observed
C.
were not observed
D.
was not observed
【多选题】对COD说法正确的是()
A.
表示水样的化学需氧量
B.
在一定的条件下采用一定的强氧化剂处理水样时所消耗的氧化剂量
C.
表示水中还原性物质多少的指标
D.
数值越小说明水体受有机物的污染越严重
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