根据短文内容选择正确答案。
Llamas (美洲驼) are four-legged animals that live in the mountains of South America. The people that
live in these mountains have used llamas for thousands of years. Llamas are useful in many ways. Male (雄
性的) llamas carry heavy bags up and down the mountains. An adult male llama can carry things which are
as heavy as 100 pounds (磅) for 12 hours at a time. Female (雌性的) llamas provide milk for the local
people. Llamas are sturdy animals. They can go for days without drinking water. They can stay alive for a
long time because they get enough water from the plants they eat.
1. Male llamas are animals that _____.
A. can provide lots of milk
B. mainly live in South Africa
C. can carry heavy things
D. don't like to be with people
2. In this passage, the word "sturdy" means "_____" in Chinese.
A. 弱小的
B. 好笑的
C. 顽强的
D. 固执的
3. What is the main idea of this passage?
A. Llamas are very useful animals.
B. It is easy to take care of llamas.
C. People can drink llamas'milk.
D. Llamas are as clever as men.
4. The readers can know from the passage that an adult male llama is _____.
A. strong
B. clean
C. friendly
D. fast
5. Llamas can go for days without drinking water because _____.
A. they don't like drinking water
B. they eat very little
C. they eat plants that have lots of water
D. they don't need much water