词典词条 · 问答

alternate/alternative

问

请说明 alternate 与 alternative 的差别。

答

alternate 的意思是“交替的”“每隔一……”。

He works on alternate days. (LDCE) 他隔天工作。
alternate laughter and tears(ALD) 时笑时哭

注意, alternate 还可用作及物动词和不及物动词。

alternative 的意思是“其他的”“可替代的”“两种之中可供选择的”“几种之中可供选择的”：

We returned by the alternative road. (LDCE) 我们从另一条路回来。
It will take time to develop alternative energy sources. (WTYB) 开发其他的能源是需要时间的。
There are alternative answers to your question. (OSD) 你的问题有几个可供选择的答案。

练习

Alternative sources of protein must be found when meat and fish are not available.
1. A
  New sources
2. B
  Less expensive sources
3. C
  More sources
4. D
  Other sources
There is no alternative: the President must approve the bill if Congress passes it.
1. A
  chance of agreement
2. B
  doubt
3. C
  other choice
4. D
  mistake
It is advisable to have an alternative plan.
1. A
  a substitute
2. B
  a better
3. C
  an easier
4. D
  an equal
Professor Smith and Professor Brown will ____ in giving the class lectures.
1. A
  alter
2. B
  change
3. C
  alternate
4. D
  differ(全国六级,90.1-51)
When travelling, you are advised to take travellers' checks, which provide a secure ____ to carrying your money in cash.
1. A
  substitute
2. B
  selection
3. C
  preference
4. D
  alternative(全国研考,96-27)