How does a place become a World Heritage Site? It takes a lot of people to decide.

1）If a country wants one of its places to be on the World Heritage List, it has to ask UNESCO. The place must be important and special. UNESCO put the Great Wall on the list in 1987 because, it said, it was a great part of Chinese culture and beautifully made to go with the land．When a country asks, it must also make a plan for taking care of the place.

2）The World Heritage Committee of UNESCO talks about different places and decides whether to put them on the list. The committee meets every June. Many experts help the committee to decide.

3）After a new place goes on the list, UNESCO gives money to help keep it looking good．If a place is in serious danger, it may be put on the List of World Heritage Sites in Danger. UNESCO gives special care and help to those places.

4）Countries have to give UNESCO regular reports about places on the list. If UNESCO thinks a country isn’t taking good enough care of a place, the site will be taken off the list.

1.The passage implies that _____.

  A. becoming a world heritage site takes hard work

  B. a place with beautiful scenery is often on the World Heritage List

  C. a place which was taken good care of is often on the World Heritage List

  D. the Great Wall became a World Heritage Site for its long history.

2.If a place successfully becomes a World Heritage Site, the country _____.

  A. can ask UNESCO for more money and help

  B. should continue to take special care of it

  C. won’t take trouble of caring for it

  D. will try to put it on the List of World Heritage Sites in Danger

3.The passage mainly discusses ______.

  A. how the World Heritage Committee of UNESCO decides a World Heritage Site

  B. how the World Heritage Committee of UNESCO protects a World Heritage Site

  C. how the Great Wall becomes a World Heritage Site

  D. how a place becomes a World Heritage Site

4.The purpose of putting a place on the World Heritage List is _____.

  A. to attract more tourists from other countries

  B. to get more money and help from other countries

  C. to have it taken better care of

  D. to make it known to other countries

 —How does he get to work?    —He       a bike.

 —How long does it        him to get from home to the office?

 —It            him 20 minutes.

A. rides; takes; takes  B. rides; take; takes

C. ride; takes; takes   D. ride; take; takes

—How does he get to work?

—He      a bike.—How long does it       him to get from home to the office?

—It           him 20 minutes.

1. A.
   rides; takes; takes
2. B.
   rides; take; takes
3. C.
   ride; takes; takes
4. D.
   ride; take; takes

How Does Your Body Keep the Same Temperature?

       The temperature of your body should always be the same if you are fine, no matter whether the weather is hot or cold. That is why the doctor tests your temperature with a thermometer when you are sick. Normally, your  body temperature is ninety-eight point six degrees Fahrenheit (华氏的). If it is higher than that, it is a sure sign that something is wrong with your body.

       Your body keeps the same temperature all the time, because it balances (平衡) the heat it produces and the heat it gives off. It is always burning up food and producing heat. It can produce heat faster when the body needs or give off heat faster when the body becomes too warm. Let’s see how this works.

       The heat of your body is given off chiefly through the skin. When you feel cold, your skin is tight and shows “goose flesh”. When you feel chilly (寒冷的), you must jump around to keep warm. Then your muscles begin to work, burn up fuel and produce more heat. It is not pleasant to shiver so you usually prefer warming up by taking exercise, or put on more clothes to keep warm.

       When you get warm, the skin is loose and soft. It is so supplied with blood that heat is given off rapidly. If you get too warm, you begin to sweat and more body heat is used in evaporating the moisture (蒸发水分) in your body. In warm weather or warm rooms, you wear less clothing, so that heat can be given off freely. You prefer less exercise because your body is warm enough, and the extra heat produced by taking too much exercise makes you uncomfortable.

       Now you see why you feel differently in different kinds of weather. In summer, when it is hot, you feel tired and lazy. You do not care to work or play, but enjoy lying down and doing nothing. When you get out of doors in winter, the cold air makes you feel lively. You want to run and play.

52．Why does the doctor take a person’s temperature when he gets sick?

A.    Because his temperature is a sign which can show whether he is sick or not.

B.    Because his temperature is always the same, no matter whether he is sick or not.

C.    Because when he is ill, his temperature is sure to be higher than normal.

D.    Because his temperature will be sure to change if something is wrong with him.

53． How does the body keep the same temperature all the time?

A.  It balances the heat it gets and loses.

B.  It is always producing heat from food.

C.  It gives off the heat that the body produces.

D.  It stops producing heat when it needs to.

54．When a person gets too warm, he begins to sweat in order to _____________.

A.  evaporate the moisture

B.  give off heat quickly

C.  make the skin soft and loose

D.  get the blood to move faster

55．From this passage we know that we feel differently in different kinds of weather because _________.

A.  our bodies deal with different kinds of weather in different ways to keep the same temperature.

B.  we feel tired and lazy in summer and lively in winter when we are outside in cold air

C.  we have different emotions in different kinds of weather

D.  the body temperature is always changing in different kinds of weather

—How does he get to work?   —He      a bike.
—How long does it       him to get from home to the office?
—It           him 20 minutes.