l         直接解题：
A. That's why it's possible for two kids with the same height, but different weights, to both be right weight.
B. If you eat more calories than your body needs to use, you will gain too much weight.
C. Poor eating and exercise habits also run in families and this may be the reason the members of a family are overweight.
D. However, many overweight people have difficulty reaching their healthy body weight.
E. On the other had, if you eat less and exercise more, you may lose weight.
F. If both your parents are tall, there is a good chance you'll be tall.
 
There's no easy answer to this question. Your genetic makeup, the physical traits that get passed down to you from your parents, plays a big part in determining your size and weight. __1__. But if your parents are smaller than average, you may want to rethink that professional basketball career!
1．F．分析：思路特点：注意空格前后词语的使用特点。注意到空格前后句中都出现了parents， 因此判断空格处也谈及parents的可能性很大，因此首先注意F。而且空格前句中的your size （and weight）呼应F中的tall， 而空格后句中的smaller也是在说身高的问题，因此判断F是答案。
 
A. That's why it's possible for two kids with the same height, but different weights, to both be right weight.
B. If you eat more calories than your body needs to use, you will gain too much weight.
C. Poor eating and exercise habits also run in families and this may be the reason the members of a family are overweight.
D. However, many overweight people have difficulty reaching their healthy body weight.
E. On the other had, if you eat less and exercise more, you may lose weight.
 
The same goes for your body type. Have you ever heard someone say a person is big boned? It's a way of saying the person has a large frame, or skeleton. Big bones usually weigh more than small bones. __2__.
2. A. 分析：思路特点：注意空格前后词语的使用特点并利用段首句中的用词。空格前面句子中出现了“大骨头”，“小骨头”的字样，而段首句中的词“body type/体形”揭示“大骨头”，“小骨头”应该是“骨头架大”，“骨头架小”，而空格前句说“大骨头架比小骨头架重”，对比被选项判断A合适：A在句意上“两个身高相同，体重不同的孩子”也是在讲述身高和体重的关系，因此判断A是答案。
 
B. If you eat more calories than your body needs to use, you will gain too much weight.
C. Poor eating and exercise habits also run in families and this may be the reason the members of a family are overweight.
D. However, many overweight people have difficulty reaching their healthy body weight.
E. On the other had, if you eat less and exercise more, you may lose weight.
 
Like your height or body type, your genes have a lot to say about what your weight will be. But that's only part of the story. Being overweight can run in someone's family, but it may not be because of their genes. __3__ And even though some kids gain weight more easily than others, when they eat right and exercise, most kids can be a healthy and happy weight that's right for them, it's true -- the way you live can change the way you look.
3. C.分析：思路特点：注意空格前后词语的使用特点。空格前后句中都谈到了“超重”，因此判断空格处继续谈到“超重”的可能性较大，B，C和D都涉及到了“超重”，注意到空格后句中出现了“eat right and exercise”，而该结构正好与C中的“Poor eating and exercise habits”形成对比，因此判断C是答案。
 
B. If you eat more calories than your body needs to use, you will gain too much weight.
D. However, many overweight people have difficulty reaching their healthy body weight.
E. On the other had, if you eat less and exercise more, you may lose weight.
How much you weigh is a balance between the calories you eat and the calories you use. __4__ If you spend your free time watching TV, your body won't use as many calories as it would if you played basketball, skated, or went for a walk.
4．B.分析：思路特点：注意空格前后词语的使用特点。空格前后句中都出现了“calories/热量”，因此判断空格处出现该词的可能性较大，因此首先重点注意B，空格后面的句子结构是“if you…, your body ..”，该结构也正好与B呼应，形成排比结构，因此判断B是答案。
 
D. However, many overweight people have difficulty reaching their healthy body weight.
E. On the other had, if you eat less and exercise more, you may lose weight.
 
If you are in balance, your weight will stay right for you as you know. But if you eat more and exercise less, you may become overweight. __5__.
5. E. 分析：思路特点：注意到空格前句子中的用词特点—出现了eat more and exercise less，而该结构正好与E中的eat less and exercise more形成对比，而且空格前句中的become overweight也正好与E中的lose weight形成对比，因此判断E是答案。
Stay: v. 持续不变；保持
e.g. How can you stay so cool and calm after such a hot argument?
这样一场激烈的争论过后,你怎么还能保持如此心平气和?