20xx托福試題-文庫吧在線文庫
【正文】 , has its own life cycle. 答案：A測試點(diǎn)：代詞．分析：crests為謂語動(dòng)詞，它前面的代詞為主語．不能用所有格形式的its,應(yīng)為it．26. Because aluminum is nonmagnetic, it is value for protecting electrical equipment from magnetic interference. 答案：B測試點(diǎn)：詞性．分析：value這個(gè)詞，以及與之有關(guān)的各種形式，常常出現(xiàn)在考題中．此處應(yīng)用其形容詞valuable作表語．27. Nitrogen and oxygen are too important that most living organisms cannot survive without these elements. 答案：B測試點(diǎn)：so…that與too…to…的用法．分析：這兩個(gè)結(jié)構(gòu)常被錯(cuò)誤搭配．看到后文無to而有that，應(yīng)知此處too應(yīng)為so。解題要點(diǎn)；代詞與其所指代的名詞單復(fù)數(shù)不統(tǒng)一是TOEFL常考題型．應(yīng)特別注意劃線的代詞．38. In the United States, sleds for recreation were first produced mercial in the 1870’s or thereabouts.答案：C測試點(diǎn)：詞性．分析：修飾動(dòng)詞produced應(yīng)用副詞，而mercial是形容詞．應(yīng)為mercially．39. Employments agencies bring together persons qualified for specific jobs and employers who have those jobs available. 答案：A測試點(diǎn)：名詞的數(shù)．分析：名詞作定語修飾另一個(gè)名詞，用其單數(shù)形式，不加s．(A)應(yīng)為Employment．40. Salmon spend most of their adult lives in salt water, despite they return to their freshwater birthplaces to spawn and die.答案：C測試點(diǎn)：詞性／連詞．分析：連接兩個(gè)句子要用連詞，而despite是介詞，應(yīng)為while或but．(A)是正確的動(dòng)詞形式，因?yàn)橹髡Zsalmon單、復(fù)數(shù)同形，而且后文their表明它是復(fù)數(shù)。解題要點(diǎn)，；most+名詞(大多數(shù)的)和the most+形／副(最高級)在TOEFL考題中常見混淆用錯(cuò)．33. The attorney general of the United States advises the President on any questions of law who may arise in the conduct of administrative affairs.答案：B測試點(diǎn)：who和which的用法．分析：定語從句中，作主語的關(guān)系代詞指代先行詞law，是物而不是人，不能用who．應(yīng)為which或that．解題要點(diǎn)：關(guān)系代詞who和which混淆錯(cuò)用是TOEFL常考題型．34. Many of the science fiction publications by Ray Bradbury display a desire to rebel against society’s depend on machines.答案：D測試點(diǎn)：詞性．分析：名詞所有格’s后應(yīng)接名詞，(D)depend應(yīng)為dependence．35. The age of a geological sample can be estimated from the ratio of radioactive to nonradioactive carbon present in the object is examined.答案：D測試點(diǎn)：缺詞／多詞。解題要點(diǎn)；與tion相同，名詞后綴sion劃線的部分以sion結(jié)尾的劃線名詞出現(xiàn)時(shí)，應(yīng)首先檢查此詞詞性是否用錯(cuò)．19. Using their bills as needles, tailorbirds sew large leaves together with plant fiber to forming their nests. 答案：D測試點(diǎn)；詞形．分析：此處需
環(huán)評公示相關(guān)推薦
鄂ICP備17016276號-1