2015考研英语语法专项练习五

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考研英语语法贯穿始终，虽然没有明确的题目进行考察，但是熟练掌握语法是获取高分的必要条件。新东方在线小编奉上语法专项练习，希望考生通过做题来理解和体会语法知识，融会贯通，全面提高。》》2015年考研英语语法基础12讲汇总
    2015考研英语语法专项练习五
    21. Relaxation, _______ fresh air, pure water and clean food, is essential
to a sound mind and healthy body.
    A. much less than B. no less than
    C. no more than D. any less than
    22. It is far better to do well a bit of work which is well _______ a large
fortune.
    A. worthy to be done than have B. worth doing than to have
    C. worthwhile to do than have D. worthy of doing than have
    23. Understanding the cultural habit of another nation, especially_______
containing as many different subcultures as the United States, is a complex
task.
    A.oneB. the one C. that D. such
    24. Whether or not the next plan will yield any positive results _______ to
be seen.
    A.remain B. remains C.is remained D. have remained
    25. If ever again_______ happens an accident like this, we will have only
ourselves to blame.
    A. it B. so C. there D. that
    21. Bno less than “与……同样(重要)”。全句意为: “放松休息, 就像新鲜空气、纯净水、清洁的食品一样,
是健康的身心所不可缺少的。”
    22. Bto have a large fortune与to do well a bit of work…是并列不定式。另外，worth,
worthy, worthwhile在用法上的区别是:(1)worth是介词, 后接动名词或名词，形成介词短语。接动名词时,
与主语是动宾关系，其形式是主动的，意义是被动的。如: The book is worth reading. (2)worthy是形容词,
置于be动词后或名词后面, 做后位修饰语, 其结构是: be worthy of doing sth., sth. is worthy to be
done。(3)worthwhile是形容词，要与形式主语it并用：It is worthwhile to read the
book.worth和worthy都不能用于这种结构。
    23. Aone 指代前面提到的具有泛指含义的可数名词单数, 在该句中指代another nation,
句中属于泛指，可见B是错误的。such指代前面讲过的整个情况，多用作主语。that 指物时常用来指代不可数名词, 指代可数名词时具有特指含义。
    24. Bwhether 引导名词性从句做主语, 谓语动词应为单数。另外，remain一般不用被动式, 所以B为正确选项。
    25. C这是there be句型的异化形式，即there be 句型中还可以用be以外的不及物动词，如live, stand, exist,
come, remain等。