【正文】
。 has forgotten【答案】 C 【解析】【分析】句意:穿黃色衣服的年輕人把他的鑰匙落在他的辦公室。D. has leftC. forgotB. leftt enter the house. A.20.The young man ________yellow ___________his keys in his office. He39。 【點評】考查介詞辨析。A. At在……;B. In在……里面;C. On在……上;D. With憑,借。D.C.B.19.__________ the help of modern technology, scientists got a photo of a black hole. A.【點評】考查圖片辨析。A. into the library進(jìn)圖書館;B. out of the post office走出郵局;C. into the supermarket進(jìn)超市。C.out of the post office18.Look at the picture on the right! She is going _______. A. 【點評】考查固定搭配。from【答案】 B 【解析】【分析】句意: 我會把一個T恤作為生日禮物送給我弟弟。toby理解介詞詞義和用法,根據(jù)句子結(jié)構(gòu),選擇正確的介詞。和cooking our own meals,可知通過自己做飯這種方法來省錢。A: by通過,表示方法; B: to到,向,表示位置;C: for為,表示目的; D: with用,表示工具。D.forB.by16.We can save money With the help of 是固定搭配,表示“在……的幫助下”,故選C。C.B.15._________the help of the classmates,he got to the top of Hongjun Mountain successfully. A. 【點評】此題考查介詞。in【答案】 D 【解析】【分析】句意:我哥哥去年九月參軍。atbyonD.onB.without13.—Reading is a good way to spend the time on the plane.—That39。t see Lucy”可知,露西應(yīng)該是在樹后面。in front of在……前;behind在……后;next to在……旁邊。C.B.A.t see Lucy because she is ______ the tree. 【點評】考查介詞辨析,注意go off的用法。behind【答案】 A 【解析】【分析】句意: 他轉(zhuǎn)彎時開得太快了,以至于汽車差點駛出馬路上。C.on11.He drove so fast at the turn that the car almost went ______the road. A.注意句子涉及到固定句型It39。s+形容詞+for/of sb to do sth,對某人來說做某事是……的,固定句型,當(dāng)其前形容詞是描述事物特征時,用for,當(dāng)其前的形容詞是描述人的品行特征時,如nice,kind clever,foolish,smart都是形容人品行特征的的,用of,此處描述制定計劃這件事很重要,表示事物特征,空格處應(yīng)用for,故答案選D。of,……的;with和……一起;for為了;by通過。D.C.B. us to make a plan before a new term begins. A.s very important 【點評】考查介詞辨析,注意平時識記其區(qū)別,理解句意。through 通過,穿過,一般指在…空間里穿過;across 通過,跨過,一般指物體的表面穿過;past 過了,可用來指時間/數(shù)量。C.across9.The bright sunl