不属于氧化还原反应的是（ ）
题型：选择题
问题：
不属于氧化还原反应的是（ ）
题型：选择题
.
第二节（共5小题；每小题2分，满分10分）
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
71 Lots of people aren’t satisfied with their present weight, but most people aren’t sure how to change it. You may want to look like the models, actresses or actors in magazines or on TV, but those goals might not be healthy or realistic for you . 72
So what should you do about your weight control?
73 The best way to find out if you are at a healthy weight or if you need to lose or gain weight is to go to see a doctor or dietitian（营养学家) for advice. They will compare your weight with healthy standards and help you set goals. If it turns out that you can benefit from weight loss, then you can follow a few of the simple suggestions listed below to get started.
74 People who lose weight quickly by crash dieting or other extreme measures usually gain back all of the pounds they lost, because they haven’t completely changed their habits. Therefore, the best ways of weight management are those that you can keep for a lifetime.
Small changes are a lot easier to stick with than big ones. Try reducing the size of what you eat. 75 Once you have that down, start gradually introducing healthier foods and exercise into your life.
All in all, it’s a good idea to keep a healthy weight because it’s just that: healthy.
A．Try giving up regular soda for a week.
B．Try to mind what you eat and stop when you’re full.
C．Weight management is about long-term success.
D．In addition, no magical diet will make yo
u 
look like someone else.E. Being healthy is really about being at a weight that is right for you.
F. Changing from whole to nonfat or low-fat milk is also a good idea.
G. Weight loss is a hard topic.