1 . We all need physical exercise. Exercise uses up food we eat and keeps the body energetic. If you exercise several times a week, you will stay happy and healthy.

Some Western countries, such as the United States, have problems with exercise. In the US, many people don't have enough exercise because it is hard for them. People have to work from morning to late afternoon, so they don't have time to take exercise. They work in office buildings sitting in chairs all day long in front of computers. It is impossible for them to get much exercise in this way.

Some Westerners can get exercise walking from their homes to work. However, most of people cannot do this. It is too far from their homes to their offices. They have no choice but to drive to work. In fact, some have to drive one or two hours to their offices. This is not good in two ways. First, these people don't have a chance to exercise because they are sitting in their cars for two to four hours each day. Second, driving is challenging especially in rush hours and needs too much attention. It makes a person very tired. So, when these people arrive home at night, they don't want to take exercise after work.

Today, many people in the West are overweight which causes health problems for them. Doctors say exercise can help people both lose weight and improve their health. So many people are trying to get more exercise. But it takes time to change, and when people don't see a difference right away, they will lose confidence and stop exercising.

Title	Westerners need exercise.
The     1     that people can get from exercise.	Help heavy people lose weight. Keep you energetic. Help you stay healthy and happy.
The     2     people have in exercising.	Some people at work are too     3     to exercise. Driving to work is too     4     for them to exercise.
The wrong attitude (态度) to exercise that some people have.	Some would be     5     if they don't see a difference in a short time.

2 . Captain(船长) Nemo invited me and my friends to go hunting with him in the forests of Crespo Island. I asked him why he was so interested in Crespo Island, “I thought you preferred the sea to being on land.”

“I do,” replied the captain. “But these forests are under the sea.”

After going through a door, we were about ten metres under the water. The light from the sun reached us. Everything looked very colourful. We were going deeper and deeper. At 100 metres deep, we could see quite well, and Captain Nemo stopped and pointed to some dark shapes. This was the forest. The “trees” in the forest were giant seaweed(海草), and all their “branches” were vertical(垂直的).We could not stop looking at them. Fish swam around the branches like birds in a forest. 

Suddenly, I saw a large sea spider about a metre tall. It was going to attack me. Captain Nemo's man killed it with his gun, but it reminded me that the sea could be as dangerous as it was beautiful. When we reached 150 metres, it was dark. The sun's light could not reach this depth(深度). We turned on our lights. We could see about 20 metres around us. Finally, we found Crespo Island—where a steep rock wall rose in front of us.

We could go no further, so we walked back towards the Nautilus. Suddenly, Captain Nemo stopped and shot an animal with his gun, it was a beautiful and rare sea otter(水獭). At last, we could see the Nautilus. Several large sharks swam over us. Luckily they didn't see us. We re-entered the Nautilus safely. I was tired but amazed by what I had seen.

1. What do “dark shapes” in Paragraph 3 refer to(指的是)?

A．Trees.

B．Seaweed.

C．Rocks.

D．Fish.

2. According to the passage, which is the correct order?
①Captain Nemo's man killed a sea spider.
②The men returned to the Nautilus.
③The men went to the forest.
④Captain Nemo invited us to go hunting.
⑤Captain Nemo shot an otter.

A．④①③⑤③

B．③④②⑤①

C．④③①⑤②

D．③④①⑤②

3. What is the best title of the story?

A．A Visit to a Sea Forest	B．Death Under the Sea
C．Captain Nemo and the Nautilus	D．Attacked by Giant Spider

3 . Why do you think people who live in some hot countries eat very spicy(辛辣的)food? Is it because the spices make the food taste better? Is it just because their parents and grandparents and great-grandparents liked hot food，or is there some connection between spices and healthy food? Researchers from Cornell University think that it is because spice plants have some important chemicals. These chemicals can kill bacteria(细菌)which spoil food．
“Most common spices can kill 75 to 100 percent of the bacteria in food，”explains one of the scientists．The bacteria grow more easily and spoil(变质)food more quickly at higher temperatures．For this reason，it is more difficult to keep food from spoiling in hot climates,
Do you like your food spicy? Your answer probably tells something about the country you come from．If you like spicy food，it is possible that hundreds of years ago，when there were no fridges，people in your country started using spices to keep the food from spoiling．The traditional spicy dishes helped those people to live longer，healthier lives．Today，in a time of fridges，the spices just make the food taste good．
1. The chemicals in spices keep food from spoiling by_________．

A．making food taste better

B．making food hotter

C．preventing bacteria getting into food

D．killing bacteria in food

2. Food goes bad more quickly in hot climates because_______．

A．cold temperature makes bacteria

B．bacteria get used to hot food

C．high temperature helps bacteria grow faster

D．bacteria spoil food only at high temperature

3. According to the passage，spices are useful in the following things except_____．

A．helping you to live longer

B．helping to keep you healthier

C．making your food taste better

D．taking the place of fridges