下列物质中，不能在氧气中燃烧的是（ ）

【名词&注释】

百分比(percentage)、星期天

[单选题]下列物质中，不能在氧气中燃烧的是（ ）

A. 金箔
B. 铁丝
C. 木炭
D. 氢气

查看答案&解析

举一反三：

[单选题]18．

A. and
B. for
C. with
D. of

[单选题]45______.

A. run
B. begin
C. stop
D. end

[单选题]25． Ball playing ________'

A. could be the best way to siudy well
B. could be more interesting
C. would teach the young men how to play games
D. would make the young people healthier

[单选题]---Canyoutellme______ontheInternet?---OK,mum.

A. howcanIuseQQ
B. wherecanIuseQQ
C. howIcanuseQQ
D. whethercanIuseQQ

[单选题]如果+10%表示“增加10%”，那么“减少8%”可以记作（ ）。

A. -18%
B. -8%
C. +2%
D. +8%

[单选题]24． Which is true according to the passage?

A. Jackie Chan is about forty years old．
B. He was born in America．
C. He wasn’t very successful when he first went to Hollywood．
D. He became famous at the age of 17．

[单选题]15．

A. school
B. factory
C. home
D. house

[单选题]69．

A. speak
B. tell
C. talk
D. say

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