请教

bbxiaos · 发表于 2006-4-8 00:16:00

改错：.(不知道红色的错在哪里，怎么改？？？)

1。In a microwave oven, radiation penetrates food and is then absorbed primarily by water molecules, caused heat to spread through the food.

2。Telescopes are frequently used in astronomy to collect light from a celestial object, bring the light into focus, and producing a magnified image.

3。For each enzyme reaction there is an optimum temperature which maximum efficiency is achieved.

单选：（不知道为什么）

4。In addition to being a place where business deals are made, a stock exchange collects statistics, publishes price quotations, and sets rules and standards for trading.

zwyywz521 · 发表于 2006-4-8 00:45:00

1,不能用被动语态，要用主动．

２，ＡＮＤ是并列连词，所以要和ＢＲＩＮＧ　对称．

３．一个句子有２个谓语，所以要用个ＷＨＩＣＨ，也就是定语从句来休息ＴＥＭＰＥＲＡＴＵＲＥ

４，不清楚

xizzhu · 发表于 2006-4-8 13:00:00

以下是引用bbxiaos在2006-4-8 0:16:00的发言：

改错：.(不知道红色的错在哪里，怎么改？？？)

1。In a microwave oven, radiation penetrates food and is then absorbed primarily by water molecules, causing heat to spread through the food.

2。Telescopes are frequently used in astronomy to collect light from a celestial object, bring the light into focus, and produce a magnified image.

3。For each enzyme reaction there is an optimum temperature by which maximum efficiency is achieved.

单选：（不知道为什么）

4。In addition to being a place where business deals are made, a stock exchange collects statistics, publishes price quotations, and sets rules and standards for trading.

nothing wrong in this sentence.

bbxiaos · 发表于 2006-4-8 15:54:00

Thx!!

最后一个是单选，我不知道为什么选being

xizzhu · 发表于 2006-4-8 16:05:00

以下是引用bbxiaos在2006-4-8 15:54:00的发言：

Thx!!

最后一个是单选，我不知道为什么选being

well, "to" is a preposition in the phrase "in addition to". we all know that the basic rule is "preposition + noun".

thus, "in addition to be/do " is incorrect.. but "in addition to being/doing" is correct.

请教

请教

所属分类: TOEFL / IELTS

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