第六部分：完形填空(第51~65題，每題1分，共15分)
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Going on a diet
A typical person needs about 1, 800 calories per day to stay alive. These calories keep your heart beating and your lungs___51___. They keep your organs operating properly and your brain running. They also keep your body___52___. A person gains weight because he or she consumes more calories per day than needed. The only___53___to lose fat is to reduce the number of calories that you consume per day. This is the basic principle___54___going on a diet. Unfortunately, diets don’t___55___for most people. They do lose weight but then go off the diet and put it back. Building a___56___diet and exercise plan is the key to maintaining a___57___weight. You need to___58___how many calories you need in a day and how many you actually___59___. The next step is to___60___exercise so that you can raise the number of calories you can consume per day. Exercise___61___can show you how many calories different forms of exercise can burn. Burning 250 or 500 calories per day can make a big___62___. You can ride an exercise bike while you are watching TV or you can climb the stairs instead of the elevator. Find an exercise partner. Exercise can be a lot___63___if there is someone to talk to. It’s a good idea to wear___64___clothes if you are on a diet. Tight clothing acts as a reminder of what you are trying to___65___.
51 A running B breathing C operating D working
52 A warm B fit C healthy D energetic
53 A principle B oute C way D manner
54 A after B ack C under D behind
55 A function B work C act D avail
56 A professional B ailor made C sensible D simple
57 A consistent B constant C middle D low
58 A make sure B find out C figure out D achieve
59 A consume B take in C attain D make use of
60 A add B go up C exceed D grow
61 A pictures B figures C information D charts
62 A sense B contrast C difference D significance
63 A happier B easier C fruitful D friendly
64 A firm fitting B comfortable C loose D ordinary
65 A ccomplish B get to C achieve D come true
