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【简答题】
分别用一种试剂除去下列各物质中所含的少量杂质（括号内为杂质），在横线上填写需要加入的试剂： （1）NaCl(Na 2 SO 4 )： ;（2）KCl(K 2 CO 3 )： ; （3）CO 2 (H 2 O)： ;
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举一反三
【简答题】第一章 第二次作业 基本概念.pptx
【简答题】权力制约的要求有( )。A. 学习法律知识 B.掌握法律方法 C.参与法律实践 D.进行法律诉讼
【单选题】Lesson Two Text A Vocabulary Multiple choices-12 APU (Auxiliary Power Unit) is ______unit which makes an aircraft independent of external pneumatic and electrical power supply.
A.
self-actuating
B.
self-conscious
C.
self-made
D.
self-contained
【单选题】Unit01-text two.mp3 Text Two Predict the main idea of Text Two by choosing from a,b,c and d.
A.
Childcare for the poor.
B.
Childcare for the rich.
C.
Worries of childcare.
D.
Criteria of childcare.
【单选题】My P.E. teacher often tells me ______ sports .
A.
play
B.
playing
C.
to play
D.
plays
【单选题】Which of the following plays least in fixing the public sector?
A.
Weakening the strikers' power.
B.
Restricting unions' legal rights.
C.
Reducing public-sector pay deals.
D.
small productivity gains.
【单选题】(Unit1 Text B)"I first joined Twitter two years ago as a means of keeping in touch with my son."The word "means" has the similar meaning with the one in:
A.
Twitter, for me, had become much more than just a means of staying in touch.
B.
Managing well means communicating well.
C.
He says it and he means it.
D.
He was born on the mean streets of the central market.
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