input: OPTIONS:
- Heat from the walls
- The desert air
- The sun
- The furniture Now, answer this question: Read the following article and answer the question. Article: There are many unusual hotels around the world. In Greenland , there is a hotel made of ice, open between December and April every year. In Turkey , there is a cave hotel with a television, furniture, and a bathroom in each room. And in Bolivia , there is a hotel named the Salt Palace Hotel. Thousands of years ago, the area around the Salt Palace Hotel was a large lake. But today, the area has only two small lakes and two salt deserts . The larger of the two deserts is called Uyuni salt desert. During the day, the desert is bright white because of the salt. There are no roads across the Uyuni desert, so local people must show guests the way to the hotel. In the early 1990s, a man named Juan Quesada built the hotel. He cut big blocks of salt from the desert and used the blocks to build it. Everything in the hotel is made of salt: the walls, the roof , the tables, the chairs, the beds, and the hotel's bar. The sun makes the walls and roof warm during the day. At night the desert is very cold, but the rooms are warm. The hotel has twelve rooms. A single room costs$40 a night, and a double room costs$60. A sign on the hotel's wall tells guests, " Please don't lick the walls." [:Zxxk.Com] Question: _ keeps the rooms warm at night? Answer:
A:
output: Heat from the walls

Read the following article and answer the question. Article: What do you think of a forest, what do you see? Just trees? Or do you see many other things, such as singing birds, colorful plants and wild flowers? The forest is a whole of its own. It is full of many different living things. But even though they are all different, they have one thing in common: they all need each other in order to live on. The trees feed the forest "people" by making food in their leaves; by using sunlight to join water and minerals from the soil and air. Their deep network of roots joins the soil together and stops it from dying out, making it possible for living things to live in it. Human beings are like the living things in the forest. We need one another in order to live. We need the farmers to grow our food, railroad and truck drivers to bring it to our shops and clerks to sell it to us. We need people to prepare our food and cook it and others to take our waste things away. Then, of course, we need doctors, nurses, government leaders, mailmen, telephone operators, and many others. We also need other human beings in another way. We need people for friendship, to talk over our problems, exchange ideas. Think how lonely and unhappy you would be if you lived all alone. Life is a matter of giving and taking. We need to help other people as much as we need other people to help us. Think what a good feeling you have when you have done something for someone else. You know, being a volunteer is so great! Question: The writer mainly wants to tell us _ . Answer:

OPTIONS:
- we need people for friendship
- the forest is a whole world of its own
- we need one another in order to live on
- the forest is full of different living things

Answer: we need one another in order to live on

Problem: OPTIONS:
- basketball
- baseball
- socks
- shoes
Q: Read the following article and answer the question. Article: Hi! I'm Alan.This is my dream house .It has a small but nice room.Some pictures are on the wall.There is a bookcase in my room.There is a desk and a chair in it.My schoolbag is on the desk.Oh!Where is my pencil case?It is under the chair.There are some pencils and a ruler in the pencil case.My shoes and a basketball are under the bed.I like my dream house very much. Question: Alan's _ are under the bed. Answer:
Answer: shoes

Problem:OPTIONS:
- thick
- long
- light
- oily

Read the following article and answer the question. Article: There are seabirds as well as land-birds. The most ordinary seabird is the seagull. It has a white body, a white head and a yellow beak. There is a very, very spot of red at the very end of the beak, underneath. All gulls have very strong wings so that they can fly far out to sea. If a gull flies out too far, so that it is too tired to fly back to the shore , it does not get frightened, for it can sit and rest upon the waves . A seagull's wings do not get wet because all its feathers have a kind of oil over them, so that when the water gets on to the feathers, it just runs off again. Gulls can even sleep upon the waves. Sailors know a lot about seagulls and they never kill them. When the gulls fly a long way out to sea, sailors say that it means fine weather is coming. When the gulls stay near the shore, sailors say they there will be much wind and rain, and perhaps a storm, for the gulls know more about the weather than sailors do. Question: The water can't make the seagull's feathers wet because the feathers are _ . Answer:
****
A: oily

Read the following article and answer the question. Article: One cold winter morning, an old woman had to go to see her doctor. When she walked into the doctor's office, she told him that her right leg hurt and sometimes she could not walk. She asked him what was wrong. She told him that she had never had such a feeling before. The doctor checked the old woman carefully, then he said, "You're in good health for a woman of your age. I think the trouble in your right leg is just a matter of old age catching up with you. We get all kinds of illness as we get older. The trouble will almost certainly end in spring." "I don't think so, doctor!" she said. "My left leg is well, and it's the same age as my right one." Question: What was wrong with the old woman? Answer:
OPTIONS:
- She ate little food every day.
- One of her legs hurt.
- Her hands were both hurt.
- Her head hurt badly.
One of her legs hurt.

Read the following article and answer the question. Article: Dolphins are not fish. They are mammals .They live in groups and speak to each other in their own language. But they are quite different from almost all land animals. Their brain is as big as men's and they live a long life at least 20 or 30 years. Like some animals, dolphins use sounds to help them find their way around. They also use these sounds to talk to each other and to help them find food. They do not use their ears to receive sounds,but use the jaw--the lower part of the mouth. It is strange that dolphins are friendly to men, and for thousands of years, there are many stories about dolphins and men. In the 19th century, in a dangerous part of the sea near New Zealand,there was a dolphin. The seamen liked him very much and gave him a very good name, Jack. From 1871 to 1903 ,Jack met every boat in the area and showed it the way. In 1903 a passenger on a boat with the name of The Penguin shot and hurt Jack. Luckily the dolphin didn't die, and after a long time he was well again. He guided the ships through the area for nine more years, but he refused to help the boat of the Penguin. Today, some people still kill dolphins, but many countries in the world now protect them. In these places, people are not allowed to kill them. Question: The dolphin guided the ships for about _ . Answer:
OPTIONS:
- 32 years
- 9 years
- 41 years
- 23 years

Answer:
41 years