Question

7．Do you know how important it is to have breakfast？A study of 2，000 teenagers in the US showed that eating breakfast daily is helpful to young people．
    According to the study，teenagers who eat breakfast weigh around 5 pounds less than teenagers who do not．Although they take in more calories （卡路里） in the morning，they are more active during the day because they have more energy．This means they burn more calories than non-breakfast eaters．The breakfast does not even have to be very healthy，as eating anything is better than nothing．
    The study also showed that eating breakfast keeps teenagers feeling full for longer，so they will not eat too many snacks （零食） later in the day．This is goo d news as most popular snacks，like sweets and potato chip s，are usually unhealthy and full of calories．
    Another big advantage of eating breakfast is that it helps teenagers do better at school．This is because it gives them more energy to keep their attention in class．
    What's more，a study in the UK showed that adults （成年人） who eat breakfast daily put on less weight and also perform better at work．
    Whatever your age is，take time to have breakfast every day．
48．The underlined sentence in Paragraph 2 means thatA．
A．teenagers should eat something for breakfast
B．breakfast helps teenagers do better at school
C．breakfast must be healthy with lots of calories
D．the energy makes teenagers active the whole day
49．Having breakfast daily makes the teenagersA．
A．eat fewer snacks              
B．pat on more weight
C．relax themselves              
D．burn less calories
50．The passage is mainly aboutC．
A．the importance of snacks             
B．how the adults perform at work
C．the advantages of having breakfast    
D．losing weight without breakfast
51．We can probably read this passage in a （an）B
A．story book                   
B．health magazine
C．movie poster                
D．instruction book．

Answer 1

分析 本文講述吃早餐對于青少年的重要性．吃早餐不但不會發(fā)胖，還提供給青少年足夠的能量使他們在課堂上集中注意力．然而，青少年們常吃的一些零食不僅沒有營養(yǎng)，反而會使人發(fā)胖．

解答 48-51：AACB
48題答案：A 細節(jié)題．根據(jù)第二段 The breakfast does not even have to be very healthy，as eating anything is better than nothing這句話的意思是：不是吃早飯一定會讓你健康，但是吃總比不吃好．言外之意，就是青少年應(yīng)該吃早餐．故選A．
49題答案：A 細節(jié)題．根據(jù)第三段The study also showed that eating breakfast keeps teenagers feeling full for longer，so they will not eat too many snacks （零食） later in the day．"研究還顯示吃早餐使得青少年飽腹感更持久，所以白天時就不會吃太多零食．"故選A．
50題答案：C 主旨題．根據(jù)第一段Do you know how important it is to have breakfast．本文主要講述吃早餐的好處和必要性．故選C．
51題答案：B 細節(jié)題．根據(jù)第一段Do you know how important it is to have breakfast．本文介紹的是吃早餐的好處，和人們的健康有關(guān)，由此可以推斷選B．

點評 題目涉及多道細節(jié)理解題，做題時結(jié)合原文和題目有針對 性找出相關(guān)語句進行仔細分析，結(jié)合選項選出正確答案．推理判斷也是要在抓住關(guān)鍵句子的基礎(chǔ)上合理的分析才能得出正確的答案．