22. Unlike other arachnids, which have their nerve cells evenly distributed along their bodies, the scorpion’s nerve cells are clustered in its head, like a mammal’s. (A) bodies, the scorpion’s nerve cells are clustered in its head, like a mammal’s (B) bodies, the scorpion’s head had a cluster of nerve cells, as a mammal does (C) body, the scorpions has a cluster of nerve cells in its head, as a mammal does (D) body, nerve cells are clustered in the scorpion’s head, like a mammal’s (E) body, a cluster of nerve cells is in the scorpion’s head, like a mammal’s 这道题目我查了字典，scorpion是单数，蝎子，为什么正确答案是C? scorpions应该是复数形式啊？我选的是A,their 肯定要加bodies啊，怎么可能用body,牛牛们讨论讨论。呵呵。谢谢。
6. Because paper of all kinds is the biggest single component of municipal trash, many municipalities have tried recycling to reduce the cost of trash disposal. (A) Because paper of all kinds is the biggest single component of municipal trash, many municipalities have tried recycling to reduce the cost of trash disposal. (B) Because paper of all kinds is the biggest single component in municipal trash, many municipalities tried to recycle so that the cost of trash disposal is reduced. (C) Because paper of all kinds are the biggest single components in municipal trash, many municipalities have tried to recycle to reduce the cost of trash disposal. (D) All kinds of paper are the biggest single components of municipal trash, and so many municipalities have tried recycling to reduce the cost of trash disposal. (E) All kinds of paper is the biggest single component of municipal trash, so many municipalities have tried to recycle so that the cost of trash disposal could be reduced.
这道题目我现在能相通答案用A,只是想和大家讨论一下，all kinds of paper是不是应该算是单数形式？还是复数？还有就是try doing的用法。呵呵。大家帮我验证一下这个用法。谢谢！
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发表于 2003-10-6 11:52:00
