*Question*
Read the article and select the best answer. Article: In nature, you may see many insects and animals of different colors. Have you ever wondered why? Locusts are super delicious food for birds,but it is not always an easy job for birds to catch them.It is neither because locusts are good jumpers or runners nor because they are smarter than their enemies. The reason is that the colors of locusts change with the colors of crops . When crops are young,locusts look green. But when autumn comes, locusts change to the yellow and brown color as crops do. Brown bears,tigers and other animals move quietly through forests. They can't be seen easily by their enemies. This is because they have colors similar to the trees. For the same reason, polar bears that live on a land of snow and ice are white. Butterflies and bees living among the flowers are colorful like flowers. Soil insects are mostly dark-colored and they live under the soil in a dark and wet environment. However, insects with colors different from plants can easily be found and eaten by others. So in order to _ they have to hide themselves in the daytime and appear only at night. Have you ever noticed some even stranger acts? The ink fish in the sea can send out some very black ink when it faces danger. As the ink spreads over , its enemies will find themselves suddenly in a dark world. At the same time the ink fish immediately swims away. That is how it keeps itself safe though it is not strong at all. Question: The ink fish _ so that its enemies will not see it? Options: A: changes its color B: makes the water around it black C: appears only at night D: hides itself in the sea rocks
**Answer**
B

*Question*
Read the article and select the best answer. Article: Most cities and towns in China have night markets . During the day, these streets are quiet. At night, they become crowded and lively. Usually, people get there at three or four in the afternoon. By 6:00, the streets are like rivers of people. Night markets are fun places to shop. You can buy clothes, shoes, and many other things. If you think the price is too high, you can _ with the seller. You can also buy nice food. When you are hungry, you can Sit down for a meal. Smelly tofu is popular, but it really smells bad! The best thing is that everything in night markets is cheap! Question: We can find night markets Options: A: only in the countryside B: in every town in China C: in a supermarket D: in most cities and towns
**Answer**
D

*Question*
Read the article and select the best answer. Article: Vending machines are very popular now. You can find them here and there. People can buy different things from them, like snacks and soft drinks. Now we can even buy train tickets from it in the train station. They also sell newspapers in some busy areas. In some places, you can get a can of beer or Coke from the vending machine, but in some others, you can't. Some vending machines sell cigarettes . They are called "cigarettes machines". With these machines, people can get cigarettes easily. These machines once were popular in the United States. But they are not good for children. So you can't see them now. In many areas in the United States, only some clubs and bars have cigarette machines, because children can never get into these places. How does a vending machine work? If you want to buy a can of Coke, you can find its price on the machine. Put the money into the machine, and push the button of the Coke, then you can get your Coke and change. A vending machine makes our life easy and interesting. Question: Which of the following is TRUE about vending machines? Options: A: All the vending machines in the world are the same . B: There are vending machines only in busy areas. C: In some places, you can't get beer from a vending machine. D: Vending machines are not good for children.
**Answer**
C

*Question*
Read the article and select the best answer. Article: In the mid 1990s, people started doing business on the Internet. At that time, there were two kinds of companies. First, there were traditional companies which sold things in stores. Then, there were Internet companies which didn't have stores, they sold things only over the Net. Traditional companies didn't want to lose any business. Quickly, they created their own websites and began selling things over the Net. These are the so-called "brick and click" companies. Many stores are made of brick, and you click on your mouse to buy things with your computer. That's where the name "brick and click" comes from. By the late 1990s, e-businesses like Amazon.com, Buy.com, and eToys.com were in trouble. Their profits were not very high, and there was a lot of competition. Many of these businesses lost a lot of money, and in 2000, many e-businesses were out of business. In the world of e-commerce , companies are fighting for every dollar and every customer. Will brick and click companies win the war? Only time will tell. Question: Which would be a brick and click company? Options: A: A clothing company with no website. B: A bookseller with five stores and an Internet site. C: A video seller with a big website but no stores. D: A restaurant.
**Answer**
B