分析 本篇文章講述了一個問題--為什么在飛機上食物變得很難吃?科學家的回答是--由于海拔升高的原因,氣壓的改變鈍化了我們?nèi)种坏奈队X,我們的鼻子變得干燥,對氣味不敏感.這也是為什么飛機餐通常比較"重口"(偏咸且偏辣)的原因.科學家和志愿者嘗試用一些方法改善飛機上的用餐,但由于氣壓的變化的原因,想要讓飛機餐變得好吃還是很難.
解答 61.B 詞義理解題.找到原句To solve this problem,airlines try hard to improve their food.這一句說到"improve their food",可以推測this problem是和food有聯(lián)系的,可以排除A選項;根據(jù)原句前面一句But it is common that they feel bad about food taste.Do you agree?可知是"食物很難吃",因此答案為B.
62.C 推理判斷題.根據(jù)To solve this problem,airlines try hard to improve their food.可知,為了解決食物難吃這個問題,航空公司努力改善他們的食物,故選C.
63.B 細節(jié)理解題.根據(jù)第三段句子 the change in air pressure(氣壓)reduces one third of the sensibility(感覺)of our taste buds(味蕾)可知,氣壓的變化減弱了我們?nèi)种坏奈队X.故選B
64.D 推理判斷題.仔細理解最后一段內(nèi)容可知,Though scientists try their best,it is not as easy as they thought.Because they can't deal with the special environment successfully,such as the change in air pressure,making food taste good is still hard for them.科學家認為要解決這個問題不容易的原因是他們無法成功地處理這種特殊的環(huán)境,比如氣壓的改變.因此答案為D.
65.A 內(nèi)容歸納題.本文主要講了"飛機餐為什么難吃",因此答案為A.
點評 對于科技類的文章,在作答時學生需注意把握文章主題--從科學的角度說明哪一種現(xiàn)象,產(chǎn)生這一現(xiàn)象的原因,如何解決問題等等.
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