1. The main idea of the first paragraph is that.......animals migrate.
a. not all kinds of
b. only similar
c. different kinds of
2. The passage talks about..... big challenges for the animals.
a. two
b. three
c. four
3. Which of the following statements is NOT true ?
a. It's about 20,000 kilometers from South Africa to Australia.
b. An elephant needs more than 100 liters of water a day.
c. Zebra help each other when they are in trouble
4. From the passage, we can infer that..
a. lions may eat zebras
b. lions travel in groups
c. lions try to avoid zebra