【名词&注释】
可燃冰(combustible ice)、民族文化(national culture)、教育事业(educational cause)、洗洁精、化学变化(chemical change)、陈述句(declarative sentence)、各项工作(various work)、获得成功(achieve success)、优先发展教育(give priority to the development of edu
...)
[单选题]下列变化属于化学变化的是
A. 海水晒盐
B. “可燃冰”燃烧
C. 浓盐酸挥发
D. 洗洁精除油污
查看答案&解析
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举一反三：
[单选题]29．
A. skate
B. swim
C. surf
D. dance
[单选题]纲要指出，要优先发展教育(give priority to the development of edu)事业。因为教育是
A. 我国各项工作(various work)的中心
B. 获得成功(achieve success)的唯一途径
C. 民族振兴的基石
D. 民族文化的精髓
[单选题]28． The shoes are________
A. ￥10
B. white
C. red
D. A and B
[单选题]The speaker believes that .
A. music is a spoken language
B. music develops as we grow up
C. music is above the other arts
D. music plays an important part in our life
[单选题]______________
A. about
B. in
C. off
D. out
[单选题]下列对三聚氰胺的说法正确的是（ ）。
A. 三聚氰胺是由C、N、H三种原子构成
B. 三聚氰胺的相对分子质量为126克
C. 三聚氰胺含氮量约为66.7%
D. 三聚氰胺中C、N元素的质量比为1：2
[单选题]68．
A. no one
B. someone
C. everyone
D. anyone
[单选题]A new cinema ______ in the city last year.
A. built
B. was built
C. was building
D. is built
[单选题]16．
A. can
B. need
C. must
D. should
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