3.實(shí)驗(yàn)室用加熱KMnO4固體的方法制取氧氣,下列儀器中不需要的是
A B C D
2.化學(xué)科學(xué)常需要借助化學(xué)專用語言來描述,下列化學(xué)用語與其含義相符的是
|
C. Al ----鋁離子 D. P----1個(gè)氟原子
1.下列變化屬于化學(xué)變化的是
A. 彩紙折成紙鶴 B. 白雪緩慢消融 C. 葡萄釀成美酒 D. 霓虹燈光閃爍
10.( ) The conference had been held to discuss the
effects of tourism ____ the wildlife in the
area. (2003 上海)
A. in B. on
C. at D. with
[解析]選B此題考查固定搭配“have effects on sth.”。
9. They had a pleasant chat ____ a cup of coffee.
(2003 北京)
A. for B. with
C. during D. over
[解析]選D。 over在此意為“一邊……,一邊……”
8. There are altogether eleven books on the shelf,
____ five are mine. (2004 全國)
A. on which B. in which
C. of which D. from which
[解析]選c此句考查非限制性定語從句,且什么
當(dāng)中的幾個(gè)要用of。
7. Tony is going camping with ____ boys.
A. little two other B. two little other
C. two other little D. little other two
[解析]選C 本題考查多個(gè)形容詞修飾一個(gè)名詞的
用法。
6. -- Do you like ____ here'?
-- Oh, yes. The air, the weather, the way of
life. Everything is so nice. (2004 全國II)
A. this B. these
C. that D. it
[解析]選D此題考查代詞的用法聯(lián)系下文可知
it此處是“不定指代”
5. Americans eat ____ vegetables per person today
as they did in 1910. (2002上海)
A. more than twice
B. astwice asmany
C. twice asmany as
D. more than twice as many
[解析]選(:本題考查倍數(shù)的表達(dá)法。
4.( ) It is said in Australia there is more land than the
govemment knows ____. (NMET 2003)
A. it what to do with B. what to do it with
C. what to do with it D. to do what with it
[解析]選C what + 不定式在句中做know的賓語。
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