2011在职联考英语每日一练（二十）
来源：在职研究生招生信息网 发布时间：2011-10-26 13:55:12
1. I have two grammars, ______are of great use.
A. all of which B. either of which C. both of that D. both of which
2. I want to use the same tools _______used in your factory a few days ago.
A. as was B. which was C. as were D. which
3. Is _______ some German friends visited last week?
A. this school B. this the school C. this school one D. this school where
4. I have bought two ball pens, _______ writes well.
A. none of them B. neither of them C. neither of which D. none of which
5. All that can be eaten _______ eaten up.
A. are being B. has been C. had been D. have been
答案解析：
1. D. 主句中的two表明不能选A.从句中的are表明不能选B. both of which用来引导非限制性定语从句.
2. C. as引导定语从句时通常构成such…as或the same…as固定搭配，其中such和same修饰其后的名词，as为关系代词，指代其前的名词引导定语从句。as在从句中可以作主语、表语或宾语。本题中as作从句的主语.
3. B. 为便于理解，改写本句话：This is the school that some German friends visited last week. 不难看出，作表语的the school是先行词。that引导了定语从句，因为that同时又作visited的宾语，所以被省略了。其它选项结构不对。
4. C. 因为是two ball pens, 并且定语从句的谓语writes是单数概念。因此，C是正确选项。
5. B. 本句话中，主句的主语是all, 为抽象概念。因此，其谓语应用单数的has been。关系代词that引导定语从句，并在从句中作主语。
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