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19. We were delayed at the airport. Otherwise, we     here by lunch.

A. must have been       B. could be

C. should be      D. would have been

18. ―I heard the phone ringing in the office next door.

―You     it. They haven't got a phone yet.

A.    couldn't hear

B.    couldn't have heard

C.    didn't hear

D.    wouldn't have heard

17. Keep up a good state of mind even if you    fail plenty of times.

A. should       B. will

C. must        D. need

16. But for the pouring rain, we    a pleasant journey last weekend.

A. should have       B.  would have

C. must have had        D.  could have had

15. In case you     still have anything to offer, please contact our manager while he is available.

A. shall   B. would

C. should   D. will

14. ―Thank God! The accident was avoided after all.

―That was lucky, but ten inches nearer the two cars     ,

A.    was destroyed

B.    would be destroyed

C.    would have been destroyed

D.    had been destroyed

13.   ―We expected you yesterday.

―I'm sorry. I    you to say that I couldn't be here until today.

A. should have called   B.  must have called

C.  could call      D.  would call

12. Students     remain in their seats until all the papers have been collected.

A. would    B. shall

C. will     D. could

11.  ―Carla   go to that historical museum after school when she was a teenager.

―No wonder she is so familiar with it.

A. could      B. should

C. might      D. would

閱讀理解

Any diet on which you live that contains fewer calories than you need to get through the day—like an 800-calorie-per-day diet—can be dangerous. Diets that don't allow any fat also can be bad for you. Everyone needs a certain amount of fat in their diet—up to 30 % of to?tal calories―so no one should eat a completely fat-free diet.

Don't have diets that restrict(限制)certain food groups, either. A diet that requires you to say no to bread or pasta or allows you to eat only fruit is unhealthy. You won't get the vitamins and minerals you need. And although you may lose weight, you'll probably gain it back as soon as you start eating normally again.

Some people start dieting because they think all the problems in their life are because of weight. Others have an area of their life that they can't control, like an alcoholic parent, so they focus on something they can control―their exercise and food intake.

People who diet may get lots of praise from friends and family when they start losing pounds, which makes them feel good. But eventually a person reaches a weight level and doesn't lose as much weight as before because the body is trying to keep a healthy weight, so they aren't any happier.

Some people may find it hard to control their eating, so they stick with an ex-treme diet for a little while, but then eat tons of food. Feeling guilty about the binge, they use laxatives('瀉藥).Eating too little to maintain a healthy weight or eating only to throw up the calories are both eating disorders, which are harmful to a person's health.

1. Which of the following is NOT the reason that some people start and keep dieting?

  A.  They think their trouble comes from their weight.

B.  They have an alcoholic parent.

C.  Other people praise them when they lose some weight.

D.  There is something they can't control except food intake.

2. The underlined phrase in the last paragraph refers to " ".

  A.  a fat-free diet

B.  a special diet

C.  eating too much

D.  eating too little

3. Which of the following statements is TRUE?

  A.  A person needs about 800 calories each day.

B.  A person who doesn't eat bread is unhealthy.

C.  An improper diet may cause eating disorder.

D.  Fat takes up the most part of calories inside body.

4.    According to the passage,  when people want to lose weight，  they should

  A.  avoid eating some food that can lead to being fat

B.  control their eating amount and times

C.  have a healthy and balanced diet

D.  throw up some of what they eat