分析 本文介紹了食物添加劑的種類作用,人們對食物添加劑的擔憂以及聯(lián)邦政府為保證食物添加劑的安全所做的努力.
解答 32.A.細節(jié)理解題.根據(jù)第一段第三句The truth is that all food is made up of chemicals.和最后一句Some chemical substances are indeed harmful,but a person who refused to consume any chemicals would find nothing to eat.可知現(xiàn)在所有事物都含有添加劑,如果一個人拒絕食用任何形式的添加劑,他會發(fā)現(xiàn)自己沒有東西吃.也就是說所有食物都有化學添加劑的成分.故A正確.
33.D.細節(jié)理解題.根據(jù)第三段Additives can make food more convenient or nutritious,give it a longer shelf life,and make it more attractive to the consumer,thus increasing the sales and profits of the producers.可知添加劑讓食物的味道更好,可以提高產(chǎn)品的外形,更吸引消費者,更方便更有營養(yǎng).說明添加劑可以在很多方面提高食物的品質(zhì).故D正確.
34.D.推理判斷題.根據(jù)文章最后兩句For most people,the chances of developing serious side effects (副作用) from the long-term use ofpresently approved (批準) food additives are very small.說明食物添加劑受到聯(lián)邦政府的嚴格控制并經(jīng)過嚴格的測試,對人的副作用會很。蔇項正確.
35.B.推理判斷題.根據(jù)文章最后一段前兩句可知人們對食品添加劑有很多擔心,但是根據(jù)最后兩句But food additives are now regulated by the FDA…food additives are very small.可知食物添加劑受到聯(lián)邦政府的嚴格控制并經(jīng)過嚴格的測試,對人的副作用會很。簿褪钦f作者認為食物添加劑還是可以接受的.故B正確.
點評 考察學生的細節(jié)理解和推理判斷能力,做細節(jié)理解題時一定要找到文章中的原句,和題干進行比較,再做出正確的選擇.在做推理判斷題不要以個人的主觀想象代替文章的事實,要根據(jù)文章事實進行合乎邏輯的推理判斷.
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46.A.boring | B.a(chǎn)mazing | C.interesting | D.demanding |
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