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以“Air Pollution”为题用英语写一篇短文,内容要点须包括:
1.空气污染已成为影响人们健康的严重问题,特别是在发达国家;
2.主要根源是各种车辆(vehicle)散发大量的一氧化合物(monoxide);
3.过去人们只期望自然改变,现在已采取措施不让车辆排放废气;
4.用太阳能代替汽油已在一些发达国家试验。
字数要求:100---120
太阳能:solar
查看习题详情和答案>>以“Air Pollution”为题用英语写一篇短文,内容要点须包括:
1.空气污染已成为影响人们健康的严重问题,特别是在发达国家;
2.主要根源是各种车辆(vehicle)散发大量的一氧化合物(monoxide);
3.过去人们只期望自然改变,现在已采取措施不让车辆排放废气;
4.用太阳能代替汽油已在一些发达国家试验。
字数要求:100---120
太阳能:solar
查看习题详情和答案>>阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
One day a few years ago we had an uninvited guest—a sparrow. 36 the little bird had flown into our open garage. Then I 37 the bird before I saw it.
“What’s that?”I asked when I first heard the sound.
“It’s coming from the 38 .”my wife, Anita, said. “Maybe it’s one of the little 39 .”
I looked into the garage. No children at all. But there was that sound again, coming from right up there. And that’s 40 I saw the sparrow. It was flying 41 just inches below the ceiling. It was clearly 42 to get out, but couldn’t see the way out was not up, but 43 and and out through the garage door. So the bird continued flapping its wings and bumping its little head 44 the ceiling.
I tried to terrify it out, but only succeeded in driving it into the 45 open space between the door and the ceiling. Then I tried to show the bird how to fly down a few feet 46 it could get outside, but that only seemed to 47 it more.
“Why don’t we just leave for a few minutes,” Anita 48 .“I’m sure he’ll figure it out eventually.”
We went back into the house, where we 49 to hear the ongoing struggle between the sparrow and the ceiling. Then suddenly, it was 50 and our uninvited guest was gone.
I’ve 51 that little sparrow through the years, and I’ve decided that birds are not different much from people. We think we were 52 to fly ever upward, and we don’t even consider the 53 that something good might happen if we just fly down a little bit. Once we figure out that we can make 54 without banging(碰)our heads against ceilings, we can usually save ourselves much 55 .
36.A. Still B. Somehow C. Instead D. Perhaps
【答案】B
【解析】不知怎么的,这只小鸟飞进了我们开着的车库。B.不知怎么的。
37.A. heard B. caught C. searched D. observed
【答案】A
【解析】根据下文when I first heard the sound, 可知本句的意思是“未见其鸟,先闻其鸣”。
38.A. house B. backyard C. garage D. basement
【答案】C
【解析】根据36题所在的句子可知, 小鸟进入了garage,所以声音应该从garage传来。
39.A. birds B. guests C. cats D. kids
【答案】D
【解析】根据下文no children at all.可知, 作者的妻子认为是期中一个孩子
40.A. when B. how C. why D. whether
【答案】A
【解析】when引导表语从句。“就在那时我看到了那只麻雀。”
41.A. quickly B. anxiously C. cautiously D. slowly
【答案】B
【解析】anxiously不安的,焦虑的。因为被困,所以很焦虑。
42. A. deciding B. hesitating C. trying D. choosing
【答案】C
【解析】try to get out努力要出去。
43. A. up B. backward C. forward D. down
【答案】D
【解析】但是它看不到出去的路不在上方,而在下方。
44. A. against B. off C. along D. into
【答案】A
【解析】bump its little head against the ceiling 小脑袋撞击天花板
45. A. free B. small C. wide D. dark
【答案】B
【解析】门和天花板之间的空间很小。
46. A. in case B. even if C. as though D. so that
【答案】D
【解析】so that 引导目的状语从句。
47. A. puzzle B. confuse C. frighten D. disturb
【答案】C
【解析】但是这样似乎使它更害怕。Frighten sb使某人害怕, 吓唬某人
48. A. suggested B. explained C. insisted D. demanded
【答案】A
【解析】why don’t sb do 是表示建议的用语。 所以选择A。
49. A. attempted B. continued C. refused D. failed
【答案】B
【解析】continue to do sth继续干某事
50. A. fierce B. empty C. safe D. silent
【答案】D
【解析】根据下文our uninvited guest was gone, 所以没有声音了,很安静
51.A. looked after B. worried about C. thought about D. brought up
【答案】C
【解析】A.照看 B.担心 C.思考 D. 提出。下文题到“鸟和人没有什么不同”,所以作者是在思考。
52. A. forced B. determined C. born D. urged
【答案】C
【解析】be born to do 天生就是干某事的。 “我们认为我们天生就是往上飞的”
53. A. idea B. possibility C. challenge D. problem
【答案】B
【解析】我们甚至没有考虑这种可能性,如果我们飞的低一些,好事也可能会发生。
54. A. progress B. peace C. decisions D. efforts
【答案】A
【解析】make progress取得进步
55. A. panic B. pressure C. loss D. trouble
【答案】D
【解析】save some trouble 省去很多麻烦。
查看习题详情和答案>>下面的材料从四个方面对二胡作了介绍,请筛选信息,保留各方面的主要内容,压缩成一段文字,不超过60个字。
二胡是中国的一种很奇妙的乐器,是胡琴的一种,比京胡大,也叫南胡。二胡的构造很简单:由一根长约80厘米的细细的木制琴杆、内外两根琴弦、琴杆下端的蒙着蟒皮或蛇皮的琴筒构成,琴筒呈茶杯形,用木或竹制成,蟒皮或蛇皮是制作二胡的重要材料;用马尾做的琴弓演奏,这与小提琴同样用马尾做琴弓是一样的。二胡声音低沉圆润,听起来略带忧伤,常用来表达比较深沉的情感。二胡产生的历史悠久,又比较容易学习,因此是深受中华民族喜爱的乐器,是中国民间普及率比较高的乐器。
解析:首先利用公式,确定主干句。二胡是一种乐器,“乐器”就是“二胡”的属性。根据题干“从四个方面对二胡作了介绍”,可以提炼出“二胡”的另外三个特征:①二胡的构造。②演出的材料及效果。③深受中华民族喜爱。然后嵌入公式,组成连贯的语句表达出来。
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