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A.由句意可知,是指“在星期六”,在星期幾的前面介詞用on,故答案選A。with【答案】 B 【解析】【分析】句意:——打擾一下。C.4.Yesterday our headmaster made a speech ________ environmental protection, and we learned something about recycling of waste. A.by 【點評】此題考查介詞辨析。beat against,敲打,固定短語,故選A。根據(jù)固定搭配call sb. at+電話號碼,可知電話號碼前應用介詞at,故選A。on businessC.clock是時間點,故加介詞at,the evening of November (晚上),故加介詞on,故答案為B。D.霍金作為科學家而聞名,他為世界做出了巨大的貢獻,他逝世于2018年3月14日。結合Let39。 noon and then we go to have a rest at14.My brother joined the army ________ September last year. A.on后接具體的日期、星期和節(jié)日;by后接方式;at后接時間點、時刻;in后接某年某月; September,9月,因此前面用in,故選D。between根據(jù)句意 “地球繞著太陽轉。17.To my great joy, my family is always ________me whatever I decide to do. A.18.__________ the help of modern technology, scientists got a photo of a black hole. A.B.C.D.B. 【點評】此題考查介詞辨析?!魏芜`反法律的人都應該被懲罰。 【點評】考查主謂語一致和with的用法。D.23.My sister will go to shanghai on business ______ June. A.s the weather likes summer there, so it39。to【答案】 B 【解析】【分析】句意:——Judy,北京天氣怎么樣?——那里是夏天,所以天氣是炎熱多雨的。In【答案】 A 【解析】【分析】我們的外教經常騎自行車去上班。A: at 在;B: of ……的;C: from 自,從;D: by到……為止,用。 【點評】考查方位介詞的基本用法。B.故選A。工具 save money my brother as a birthday present. A.C.give sb. sth.=give sth. to sb. 給某人某物,故選B。故選A 【點評】考查介詞辨析。cooking our own meals instead of eating outside. A.注意on在表示時間上的特殊用法。C.28.Mr. Feng arrived in Beijing B.for 【點評】考查介詞辨析。my dad. A.A: by用;B: at 在;C: of ......的;D: in在......里。byin+城市,故選B。on C.inA在,后接年/月/季節(jié)等;B在,后接具體某一天;C的,用于名詞所有格;D在,后接具體時刻。clock every morning. A.B.are。 D. above在……上;根