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【单选题】
第72届联合国大会于2017年9月12日下午在纽约联合国总部开幕。本届联大的主题是______。A.
可持续发展目标：共同努力改造我们的世界
B.
以人为本：在可持续发展的地球上为全人类努力创造和平以及美好生活
C.
联合国70周年——一个行动的新承诺
D.
和平与发展
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举一反三
【单选题】According to Thibaut, it is possible ______
A.
for children to take advantage of their parents by using a foreign language
B.
to expose children to a foreign language after they can speak English
C.
to combine language lessons with sports games
D.
for children to learn several languages at the same time
【简答题】查看系统的守护进程可以使用 命令。
【简答题】A) a nxiety B ) introduce C ) acquaint D ) acquisition E ) saddled F ) indicated G ) resent H ) reinforce I ) expressed J ) sensible K) transition L) equivalent M) regretting N) accepta...
【简答题】China is considering it a legal duty for Chinese citizens to visit their aged parents as the country struggles with the challenges created by a graying population. It is generally accepted that...
【单选题】"Family" is of course an elastic word. But when British people say that their society is based on family life, they are thinking of "family" in its narrow, peculiarly European sense of mother, father ...
A.
It is the best book on marriage.
B.
It is a handbook of marriage.
C.
It gives quite some idea of English social life in the past.
D.
It provides a lot of information of former-time wealthy families.
【单选题】下列关于混凝的描述中正确的是( )。
A.
当pH较低时，铁盐混凝剂水解产生氢氧化铁胶体，与带正电荷的胶体颗粒起电中和作用
B.
同性高分子兼有电中和和吸附架桥作用
C.
使用硫酸铝来去除浊度时，最佳的pH值在6.5～7.5之间
D.
杂质颗粒尺寸越单一越小，越有利于混凝
【简答题】完型填空。 Young people are often unhappy when they are with their parents. They say that their parents don't 1 them. They often think their parents are too strict with them, and they are never given a 2 h...
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