12．"An apple a day keeps the doctor away"is one of the most common sayings in the English languages．This is because apples were one of the first foods that medical professionals recognized as healthy-their benefits became obvious when，quite simply，doctors found that people who ate apples were sick less often than those who did not．Today we have a more specific understanding of why apples are so beneficial to overall health．
Apples can help keep your levels of bad cholesterol （膽固醇） down．The pectin （果膠） in apples helps you to maintain cardiovascular health and reduce LDL cholesterol（which is the"bad"kind）．Apples themselves do not add cholesterol to your diet and are full of water and fiber to help prevent the cholesterol in other foods you might digest．According to Health Diaries，people who eat two apples per day may lower their cholesterol by as much as 16percent．
Apples are naturally low in calories and high in water content．Eating an apple can satisfy your hunger and keep you from reaching for high-sugar，high-calories snacks．By eating apples，you will be more able to maintain a healthy weight because they fill you up，potentially stopping you from eating food that encourages a waistline increase．
Apples contain respectable levels of boron （硼），which helps build healthy bones，and can also prevent diseases like arthritis．Apples are rich in vitamin C，which is known to help build immunity．
Studies have shown that apples can decrease the risk of breast cancer，colon cancer，and liver cancer．One theory is that the apple skins are responsible for this，so be sure not to peel your apple before you eat them，as you could remove some of the health benefits．
16．What's the main idea of the passage？C
A．An explanation of an English saying．
B．How to make full use of apples．
C．Apples are beneficial to our health．
D．How to keep healthy in our daily life．
17．By eating apples we can get many benefits EXCEPTD．
A．lowering the cholesterol
B．keeping a healthy weight
C．building immunity
D．preventing heart disease
18．Which of the following can most probably replace the underlined word"respectable"？B
A．Admirable．B．Considerable．C．Reliable．D．Valuable．
19．Which plays an important role in reducing the risk of breast cancer？B
A．The pectin．B．The apple skins．
C．The flesh of apples．D．The fiber of apples．
20．What's the author's attitude towards the effect of eating apples？A
A．Positive．B．Negative．C．Doubtful．D．Uncertain．
分析 本文從科學的角度具體寫了蘋果給人的身體健康帶來的好處．
解答 16．C 細節(jié)理解題．根據文章第一段第一句An apple a day keeps the doctor away"is one of the most common sayings in the English languages每天一個蘋果，遠離醫(yī)生這個諺語說的就是蘋果對于我們的健康有益，所以答案選C．
17．D 細節(jié)理解題．Apples can help keep your levels of bad cholesterol （膽固醇） down．蘋果可以幫助保持你的膽固醇水平； By eating apples，you will be more able to maintain a healthy weight 通過吃蘋果，你就能更健康地保持體重and can also prevent diseases like arthritis．Apples are rich in vitamin C，which is known to help build immunity．而且還可以預防關節(jié)炎等疾病，蘋果富含維生素C，這是眾所周知的幫助建立免疫力．A B C選項都是吃蘋果的好處，說阻止心臟病的說法是沒有的．答案選D．
18．B 猜測詞義題．Apples contain respectable levels of boron 蘋果含有相當量的硼，which helps build healthy bones，and can also prevent diseases like arthritis有助于建立健康的骨頭，而且還可以預防關節(jié)炎等疾�。钥梢圆聹yrespectable是"一定量的"與Considerable"相當大的"意義相同，所以答案選B．
19．B 細節(jié)理解題．根據句子Studies have shown that apples can decrease the risk of breast cancer，colon cancer，and liver cancer．One theory is that the apple skins are responsible for this究表明，蘋果可以降低患乳腺癌、結腸癌和肝癌的風險．一種理論認為，蘋果皮負責這項重要作用．所以答案選B．
20．A 作者態(tài)度題．根據文章作者對于蘋果的從諺語An apple a day keeps the doctor away到科學的研究的描寫，可以看出作者對于蘋果對于健康的影響是肯定的態(tài)度，所以答案選A．
點評 本文考查細節(jié)題為主，細節(jié)題可以在文章中直接找到與答案有關的信息？或是其變體．搜查信息在閱讀中非常重要它包括理解作者在敘述某事時使用的具體事實、數據、圖表等細節(jié)信息．在一篇短文里大部分篇幅都屬于這類圍繞主體展開的細節(jié)．做這類題一般采用尋讀法？即先讀題，然后帶著問題快速閱讀短文，找出與問題有關的詞語或句子，再對相關部分進行分析對比，找出答案．
