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1. A 2.D the reason as follow

先大概翻译一下:
Lactose,存在于牛奶中的糖,是一种。。。。。

考虑将 a 该为 the, present in milk 形容词短语修饰名词 sugar. ' the sugar present in milk' 整个名词词组做同位语修饰 Lactose.

另一考虑,若将 present 该为 presence, 初看也可,但 此时的 presence 为不可数名词,不能用 a 修饰。所以不能改 present ,只能改 a 为 the

2. 就比较简单了。 of 后跟整体概念,应为 transports.

transport 可做交通工具解释,为可数名词。

noun (plural transports)

1. transport See transportation n.1

2. U.K. transport See transportation n.2

3. military a craft carrying people or freight: a ship or aircraft for carrying passengers, especially military personnel, or freight
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Replies, comments and Discussions:

  • 工作学习 / English / Hi, every high hand, I have two sentence corrections in TOFEL for help, Thanks!
    1. Lactose, A (a) sugar B(present) in milk, is one C(of simple sugars) used in D(food) preparations for infants.

    2. The Mississipy riverboat, which A(evolved) from simpler B(steamship) of the early 1800`s, became the C(dominat) form of D(passenger transport) on the Mississipy River.

    Which one is wrong and how to correct?
    • 1. C one of the simple sugers吧 2. C dominant D passenger transports/ passenger transportation?
      • 2. Maybe A is wrong, because which needs a conjection. Meanwhile word transport can be noun.
        1. Maybe A is wrong, because word present should be vi. in such centence, yet simple sugars are not refering some certain sugars, so it doesnt need the. Thank you!
        • 应该不用,他们不是并列关系,是同位语,如果你要用连词,意思就变了
          • Oh, sorry. 我打错了。 2 中,which 是连词。应该改成: Which was. 对吗? 1. 改成 presented 对吗?
            • present本身是形容词. which也不是连词...
      • Actually, the correct answer is 1. C. 2. B . I am not sure how to correct. Maybe the first one should be ` the simplest`, the second one is `steamships`. Anyway, thank you both.
        • 我也困惑了,2题如果B不对D咋能对呐? 都没有冠词啊,还都是单数...不好意思,不理解
          • me2,这个题目又好陌生啊。
          • i guess"THE dominant form of passenger transport" sounds ok. without 冠词,B needs to be "ships"
        • 1. agree with blues, C. "the simple sugers". 2. both B and C are wrong? unless C is typed wrong. And I think you are right, B should be steamships
          • transport是不可数的? 我咋记着也是可数的呢
            • 我不大懂语法,这里transport不是当单数用吗?
              • 单数可数名次一定要有冠词的啊
                • 前面已有"the dominant form of "还要冠词吗?"the dominant form of a/the passenger transport" 好象不通啊?
                  • passenger transports/ passenger transportation
                    • Both transport and transportation sound ok to me, but not transports. I don't know how to explain, but as an example, this is what I found:
                      Local buses are still the dominant form of public transport, carrying about twice as many passengers as all rail modes and long distance coaches in Great Britain.
                      http://www.transtat.dft.gov.uk/tables/1999/pts/pts.htm

                      more:
                      The convenience and flexibility offered by the car has made it the dominant form of transport in Australia.
                      .......
                • 饿得紧吧,现在?——呵呵,想起了哦大学的时候喝奶粉充饥的日子,比你惨一点点。
                  • 连苞米花都是咸的,555555555555
                    • 盐份还是要补充的——我那时可只喝流质,还是没甜味的脱脂奶粉!
                      • 可是我现在开始想喝果汁了,咸着了...睡前喝水,明早肯定猪头
                        • 我每天睡觉前都喝水!——砖家说仰颜。
                          • 亲耐的, 水是应该清早起来喝的...
                            • 怪不得我晚上比早上要清秀些。嘻嘻。。。。
                              • 你晚上清秀是因为...那个...那个....咳咳
                                • 亲耐的,这个帖子已经进热点了,咱们换地吧。
    • 1. A 2.D the reason as follow
      先大概翻译一下:
      Lactose,存在于牛奶中的糖,是一种。。。。。

      考虑将 a 该为 the, present in milk 形容词短语修饰名词 sugar. ' the sugar present in milk' 整个名词词组做同位语修饰 Lactose.

      另一考虑,若将 present 该为 presence, 初看也可,但 此时的 presence 为不可数名词,不能用 a 修饰。所以不能改 present ,只能改 a 为 the

      2. 就比较简单了。 of 后跟整体概念,应为 transports.

      transport 可做交通工具解释,为可数名词。

      noun (plural transports)

      1. transport See transportation n.1

      2. U.K. transport See transportation n.2

      3. military a craft carrying people or freight: a ship or aircraft for carrying passengers, especially military personnel, or freight
      • 比较支持
      • 补充,改 a 为 the, 是因为要用特指
      • 严重误导,两答案均错
      • 正确答案应该是:C (one of the simple sugars) 和 B (steamships)
        本文发表在 rolia.net 枫下论坛1. Lactose, A (a) sugar B(present) in milk, is one C(of simple sugars) used in D(food) preparations for infants.
        前面的sugar是指“牛奶”中的糖分(物质的一种属性),此时为不可数名词,在句中作同位语,不需要仍何冠词。如:Lactose is sugar, not salt. present为形容词作定语。one of 指特定群体中的一部分,必须接定冠词,此时sugar为可数名词指不同形式的糖类。food就不用解释了。
        2. The Mississipy riverboat, which A(evolved) from simpler B(steamship) of the early 1800`s, became the C(dominat) form of D(passenger transport) on the Mississipy River.
        Mississippi为正确拼法,也许此处为该种船的特别说法,不去管它。evolve为不及物动词,用法正确。steamship显然是名词,如果它是不可数名词的话,此处可不用改动。但事实上它是可数的,我们要么说:a simpler steamship 要么说:simpler steamships 而C显然是dominant之误。transport为不可数名词。
        有些词通常既可数又不可数,最简单的判断方法是:判断其所指的是“具体的”还是“抽象的”。如这里的transport,你要是说它指的是具体的一趟一趟的运输行动,则为可数名词。你要是说它指的是抽象的运输这一概念,则为不可数名词。
        以上两题均考察名词和冠词,这两类词可谓难兄难弟,密不可分。
        误:Horse is a useful animal.
        正:A horse is a useful animal.
        正:Horses are useful animals.更多精彩文章及讨论,请光临枫下论坛 rolia.net