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My opinion is that we should municate with parents frequently. 我的觀點是我們應(yīng)多與父母交流。 (2020北京高考 )Part of the reason Charles Dickens loved his own novel, David Copperfield, was ________ it was rather closely modeled on his own life. A. what B. that C. why D. whether 解析: 選 。考查名詞性從句??疾榫湫?The reason ...is that ...。 that引導(dǎo)表語從句,在從句中不作句子成分。 B [考題印證 3] (2)because, why引導(dǎo)的表語從句 That39。s because he didn39。t understand me. 那是因為他沒有明白我的意思。 (That39。s because ...強調(diào)原因 ) That39。s why he didn39。t understand me. 那是他未能明白我的意思的原因。 (That39。s why ...強調(diào)結(jié)果 ) [考題印證 4] (2020山東高考 )I39。m afraid he39。s more of a talker than a doer, which is________ he never finishes anything. A. that B. when C. where D. why 解析: 選 ??疾楸碚Z從句。很顯然,前文所說的 (他是一個空談家而不是一個實干家 )是下文 (他一事無成 )的原因,由此可知應(yīng)該選 why。 D (3)使用虛擬語氣的表語從句 在表示建議、勸告、命令、請求、要求含義的名詞后的表語從句,謂語動詞需用 “ should+動詞原形 ” 形式,should可省略。常見的詞有 advice, suggestion, order, proposal, request, plan, idea等。 The doctor39。s advice is that we (should) take more exercise. 醫(yī)生的建議是我們應(yīng)該多運動。 The proposal is that the school (should) enlarge the playground. 提議是學(xué)校應(yīng)該擴建操場。 二、主語從句 1. 定義 在復(fù)合句中作句子主語的從句叫主語從句,它通常位于 主句謂語動詞的前面。 2.連接詞 (1)從屬連詞 that, whether, if That my sister was admitted to Beijing University made my parents satisfied. 姐姐考入了北京大學(xué)讓父母很滿意。 Whether Zhu Zhiwen will really stop singing is still a puzzle. 朱之文是否會真的放棄歌唱仍還是個謎。 [點津 ] that在句中無詞義,只起連接作用; if引導(dǎo)主語從句不能置于句首,常借助于形式主語 it。 It is still unknown if the medicine will be effective to human beings. 這種藥物對人類是否有效還不清楚。 [考題印證 5] (2020安徽高考 )The limits of a person39。s intelligence, generally speaking, are fixed at birth, but________ he reaches these limits will depend on his environment. A. where B. whether C. that D. why 解析: 選 ??疾橹髡Z從句的引導(dǎo)詞。句意:一個人的智力極限,通常來說,出生時就已經(jīng)定型了,但他是否能夠達(dá)到這些極限則取決于他的生活環(huán)境。根據(jù) “ depend on” 可知,主語從句 “ ________ he reaches these limits” 中含有不確定因素,故用 whether,選 B。 B (2)連接代詞 what, who, which, whatever, whoever What he wants to tell us is not clear. 他要跟我們說什么還不清楚。 Who will win the match is still un