15.Our modern life is changing our eating habits.We are spending too much time in front of TV or computers and(61)becoming(become)"couch potatoes"or"mouse potatoes".We also eat too much junk food and we don't get enough exercise.The foods we find in the supermarket are sometimes no  (62)benifinical(benefit) to us,and it is difficult to know exactly(63)whatwe are eating when we buy ready-made or pre-prepared dishes.Considering this situation,it is becoming(64)more(much) important than ever (65)to make(make) sure that we keep a healthy diet.
    A healthy diet gives us the calories we need and don't contain too much fat.The number of calo-ries we need(66)changes(change) depending on what kind of body we have (are we short,tall,heavy etc.)
and how active we are.Quality food,or healthy food,gives us calories in the best way.Junk food,(67)onthe other hand,gives us few calories and lots of fat and sugar.If we eat too much fat and sugar,we will put on(68)weight(weigh) easily.in order to live(69)ahappy and long life,we should keep a(70)balanced(balance)diet.

分析 本段文字告訴我們,現(xiàn)代化的生活方式改變了人類的生活習(xí)慣,現(xiàn)在很多人把大量時(shí)間都泡在電視和電腦上,并且經(jīng)常吃一些垃圾食品而又得不到足夠的鍛煉.有些時(shí)候我們?cè)诔欣锟吹降氖挛飳?duì)我們比一定有益處,健康的飲食能提供我們身體所需要的能量,而不會(huì)包含過多的脂肪,一個(gè)人所需要的能量取決于他的體型和活動(dòng)量.健康的食物能以最好的方式給人類提供能量,相反,垃圾食品則包含過多的脂肪和糖分,會(huì)使人變胖.所以,為了保持健康延長(zhǎng)壽命,人們應(yīng)該保持飲食的平衡.

解答 61.becoming;考查并列結(jié)構(gòu),這里becoming和前面的spending是并列成分,所以形式要保持一致,用現(xiàn)在分詞形式.
62.benifinical;考查形容詞,根據(jù)句意,空格處用形容詞形式作句子的表語.
63.what;考查關(guān)系代詞,這里what引導(dǎo)賓語從句,在從句中what作動(dòng)詞eat的賓語.
64.more;考查比較級(jí),根據(jù)句意,句子中有比較級(jí)的關(guān)鍵詞than,所以要用比較級(jí),多音節(jié)形容詞的比較級(jí)形式是在單詞前面加more.
65.to make;考查動(dòng)詞不定式,結(jié)合上下文,空格處用不定式表示目的.
66.changes;考查動(dòng)詞的時(shí)態(tài),本文通篇運(yùn)用了一般現(xiàn)在時(shí),句子的主語是The number,所以這里要用動(dòng)詞的第三人稱單數(shù)形式.
67.on;考查固定短語,on the other hand是固定搭配,意為"另一方面".
68.weight;考查名詞,根據(jù)句意,空格處應(yīng)該用名詞形式.weight做動(dòng)詞短語put on的賓語.
69.a(chǎn);考查不定冠詞,這里用不定冠詞表示泛指,泛指"一種幸福長(zhǎng)壽的生活".
70.balanced;考查分詞作形容詞,這里用過去分詞作形容詞,balanced diet意為"健康的飲食".

點(diǎn)評(píng) 首先要通讀全文,了解大意,抓住上下文語境所提供的信息,仔細(xì)分析帶空格的句子,明確空格所要填的詞義,詞型和短語搭配給出所要填的正確形式,然后整體閱讀短文,核對(duì)答案.

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