speaking, are fixed at birth, but ________he reaches these
limits will depend on his environment.
A.that
B.what
C.how
D.whether 答案 B [句意:尽管已经有近两千名病人服用了这种药品,但是,这种药品会带来什么副作用还不明确。考查名词性从句。设空处需引导主语从句,that无实际意义,在从句中不作成分;what什么,在从句中可作主语、宾语或表语,还可作定语修饰名词;how如何,多么,在从句中作方式状语或修饰形容词、副词;whether是否,在从句中作状语,不修饰名词。side effect为名词短语,故需用what修饰。] ③(2010·浙江卷)It is uncertain ________side effect the
medicine will bring about, although about two thousand
patients have taken it. whether if 4种名词性从句 宾语从句(有限制) whether to do if to do whether从句可作介词宾语 if从句不作介词宾语 ①I don't know whether or not he will come.√ ②I don't know whether he will come or not.√ ①I don't know if or not he will come.× ②I don't know if he will come or not.√ 名 师 招 招 鲜
名词性从句攻略 一、各类名词性从句的区别 1.who/whoever, what/whatever等的用法区别:一般说来,在名词性从句中what/who虽然不表示疑问的语气,但是所陈述的内容却是未知的,含特指意义,而whatever/whoever等含泛指意义,意为“无论什么,无论谁”,并且表达的语气很强烈。 2.whether/if的用法区别:whether和if在宾语从句中可以互换,但是作某些介词的宾语时连接词一般用whether;whether可与or not/or连用,用来引导主语从句、表语从句、同位语从句等,也可与动词不定式连用;if不能与动词不定式连用。
【2017高三英语二轮复习(江苏专用)A 核心考点(核心 规律 技巧)课件:A2】相关文章:
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