UC知道帮帮忙.分没问题,答案正确就行,要有解释啊
来源：百度知道 编辑：UC知道 时间：2024/05/16 06:33:26
1. (NMET 2002 北京春季, 24) Prices of daily goods _______ through a computer can be lower than store prices.
A. are bought B. bought
C. been bought D. buying
2. (NMET 2001, 35) _______ such heavy pollution already, it may now be too late to clean up the river.
A. Having suffered B. Suffering
C. To suffer D. Suffered
3. (2001上海, 28) Finding her car stolen, _______.
A. a policeman was asked to help
B. the area was searching thoroughly
C. it was looked for everywhere
D. she hurried to a policeman for help
4. (NMET 2001北京春季, 21)_______ late in the afternoon, Bob turned off the alarm.
A. To sleep B. Sleeping
C. Sleep D. Having sleep
5. (NMET 2001北京春季, 24)One learns a language by making mistakes and _______ them.
A. correct
A. are bought B. bought
C. been bought D. buying
2. (NMET 2001, 35) _______ such heavy pollution already, it may now be too late to clean up the river.
A. Having suffered B. Suffering
C. To suffer D. Suffered
3. (2001上海, 28) Finding her car stolen, _______.
A. a policeman was asked to help
B. the area was searching thoroughly
C. it was looked for everywhere
D. she hurried to a policeman for help
4. (NMET 2001北京春季, 21)_______ late in the afternoon, Bob turned off the alarm.
A. To sleep B. Sleeping
C. Sleep D. Having sleep
5. (NMET 2001北京春季, 24)One learns a language by making mistakes and _______ them.
A. correct
1.B从电脑（网上）购买的日用品价格比店里的便宜。过去分词做后置定语表示被动
2.A.河流承受如此严重的污染，现在清理太晚了。完成时态的非谓语动词
3.D.发现车子被偷，女失主迅速向警察求助。逻辑主语都是女失主
4.A.为了能睡到很晚，BOB关上闹钟。不定试做目的状语、
5.B.通过反错误并改正来学习一门语言。by后面都是它的宾语
6.B.devote to doing sth致力于某事。
7.B.伴随状语。他给我发了个邮件，希望能得到进一步的消息。
8.A.丢失的：missing；be seen doing.被看到正在做某事
9.D.没有被邀请而不愉快，邀请是完成的动作，所以是have been invited，否定前面加not。做by的宾语要变成分词形式
10.D.给他做了总体检查，结果是他仍然需要一段时间才能从手术后恢复
11.D.伴随状语，表示“上面写着...”
12.C.不定式短语做目的状语
第一是C吧！物品是被买的所以是被动的用been