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【多选题】
锅炉水含盐量太大的危害有 。A.
汽水共腾
B.
酸性腐蚀
C.
恶化蒸汽品质
D.
加剧管路设备腐蚀
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：Narrator Listen to part of a lecture in the chemistry class. Professor What is an atom? The modern view of an atom has come from many fields of chemistry and physics. The idea of an atom came fro...
A.
The function of an atom.
B.
The development of atom theory.
C.
The structure of an atom.
D.
Methods to find an atom.
【简答题】Listen again and circle T for true or F for false . L 1. Pedro is going to record his new album in June. T F 2. You can buy Pedro’s new album in stores. ...
【简答题】Unit 1. The Less Traveled Path Part IV. Listen and Relax You ’ re going to hear a story of an identical twin. Listen and enjoy.
【简答题】I. Listen to the passage. Circle T for true or F for false. 1. Pedro is going to record his new album in June. T F 2. You can buy Pedro’s new album in stores. ...
【简答题】世界上大多数河流,最重要的补给形式和最稳定的补给水源分别是( )A. 雨水和地下水 B.雨水和湖水 B. 大气降水和冰川融水 D.地下水和冰雪融水
【单选题】下列哪些不是 解决能源危机的出路
A.
开发，即加快新能源的开发与利用步伐
B.
提高，即提高能源利用效率
C.
节约，即节约能源开发和节约能源使用
D.
不用，即全部保存起来禁止使用
【多选题】查询数据表t1列族info下列标识符为name的命令是()。
A.
scan 't1',{COLUMN=>'info:name'}
B.
scan 't1','info:name'
C.
scan 't1',{FILTER=>"QualifierFilter('info:name')"}
D.
scan 't1',{FILTER=>"QualifierFilter(=,'substrinf:name')"}
【单选题】Are you planning to return to work, and ____ so, who is going to look after the baby?
A.
if
B.
thus
C.
because
D.
even
【单选题】The baby is going to _____ by the baby-sitter in the next few days.
A.
take care of
B.
be taken care of
C.
been take care of
D.
takes care of
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