SAT语法考点每日一练（五）

　　SAT语法一共有44道题，再继续分为两类：语法类（grammar）和文章类（passage）。众所周知，新SAT文法不再是一道道枯燥的语法选择题，而且将语法点融入到篇章中，提升了对学生阅读能力的考查的同时，更着重于三大模块：词汇、语法和修辞技巧（文章题）

　　试题分析

　　3. 主语从句

　　That these skills are transferable across professions3whichmakes them especially beneficial to twenty-first-century students.

　　A NO CHANGE

　　B that

　　C and

　　D DELETE the underlined protion

　　答案D

　　解析：以that开头引导一个句子，那么这个句子必然是一个从句，整个从句充当一个成分。本题“That these skills are transferable across professions”整个句子充当主语，makes是谓语，意思是“这些技能在不同职业中是通用的”这件事情使得它们很有益处。

　　4. 定语从句

　　French engineers have created a prototype4hoping theycan one day function as a caregiver and home assistant for the elderly.

　　A)NO CHANGE

　　B)hoping that

　　C)they hope

　　D)and hope

　　答案 C

　　解析：A选项：they应该指代的是a prototype，应该用单数形式。此外分词短语做目的状语时，和主句之间需要用逗号分开。

　　B选项：that做代词时不可以单独指代，必须加上它指代的内容，变成that prototype.

　　C选项：我们已经知道that在定语从句中做宾语时可以被省略，当定语从句中嵌套了另一个从句，而that作嵌套的从句的主语时，that也可以被省略。…a prototype (that) they hope can function as a caregiver这个短语中，that指代的是a prototype，还原进从句后，从句变为they hope the prototype can function as a caregiver, that做定语从句中嵌套的宾语从句的主语，能够被省略。类似的例子还有：I don't like the elephant you said bit you.

　　D选项：hope后的从句中没有主语。

　　5. 并列定语从句

　　We know the resulting plants as mustard greens, radishes, horseradish, and wasabi—foods that are enjoyed for their distinctive and spicy flavors and5thesechemicals are toxic to insects but not to humans.

　　A) NO CHANGE

　　B) their

　　C) whose

　　D) which

　　答案C

　　解析：破折号引出resulting plants的同位语：foods，foods后面是两个并列的定语从句，分别是that are enjoyed for their distinctive and spicy flavors和whose chemicals are toxic to insects but not to humans。对于有and的长句子，注意找到and并列的成分。　　

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