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故選B。how【答案】 B 【解析】【分析】句意:土豆被引進(jìn)歐洲具體的事件不被確定,但是可能是在1565年左右。C.when30.Exactly _________ the potato was introduced into Europe is uncertain, but it was probably around 1565. A. 【點(diǎn)評(píng)】考查連詞和代詞辨析。根據(jù)句末or not,要用連詞whether;有句子結(jié)構(gòu)可知,此處是whether引導(dǎo)主語從句,放在句末,用it作形式主語。It。 ifC.It。 whetheryou e or not. A.t matter29.為什么遲到,用why,引導(dǎo)名詞性從句,做表語,故選C。what【答案】 C 【解析】【分析】句意:這就是上次我們?yōu)槭裁催t到的原因。C.when28.That is _____we were late last time. A.故選B。we can read many books and magazines修飾主語,是一個(gè)表語從句。which【答案】 B 【解析】【分析】句意:學(xué)校圖書館是我們能夠看書看雜志的地方。C.where27.The school library is ________ we can read many books and magazines. A.【點(diǎn)評(píng)】考查主語從句的時(shí)態(tài)。It是形式主語,真正的主語是后面how引導(dǎo)的從句,為主語從句。D.C.B.26.It is still unknown how AI(人工智能)_______the way of our life as well as the world. A.【點(diǎn)評(píng)】考查表語從句。那就是為什么你眼睛疼。D.whatB.why25.You have spent too much time playing puter 39。故選C。Whether I can pass the exam or not【答案】C 【解析】【分析】句意:嗨,你看起來很擔(dān)心,怎么了?我不確定我是否能通過這場(chǎng)考試。that can I pass the exam or notB.s up?—I39。where 什么地方,故選C。考查賓語從句。what did I put them【答案】 C 【解析】【分析】題意:你正在找什么?我的鑰匙。what I put themC.where did I put them23.—What are you looking for?—My keys. I can39。be like表示像,like是介詞,like沒有詞形變化。That39。what kids are like【答案】 D 【解析】【分析】句意:我知道他對(duì)一切充滿好奇,但那是小孩的樣子。what are kids likeB.kids like . Be patient!A.s been curious about everything, but that39。故選B。how he happy was【答案】 B 【解析】【分析】句意:富蘭克林告訴他們所有人他再一次來到英國是多么的開心。how was he happyB. to be in Britain again.A.21.Franklin told them all在賓語從句中只能使用陳述句語序,不能用疑問句語序。賓語從句就是一個(gè)句子作動(dòng)詞或介詞的賓語。he lives where【答案】 B 【解析】【分析】句意:讓我們把他送回家。C.where he lives I have no idea.A. s send him home. Do you know _________?故選B. 【點(diǎn)評(píng)】考查名詞性從句,本題涉及what引導(dǎo)的主語從句和how引導(dǎo)的表語從句。