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
B

Read the article and select the best answer. Article: Five years ago, Rachel Lopez graduated from college with a degree in history. Today she works for a large software company. Now twenty-seven, Rachel takes classes twice a week after work. She is learning to use the computer program PowerPoint. "I enjoyed college, but my job doesn't use information I learned when I was doing my degree," Rachel says," This course is helping me to do my job better. In the future, I might go back to school and got an MBA. " In the past, when students graduated from college and got a job, they usually stopped studying. Today, lifelong learning is becoming more common. In the United Stated, people can return to school in their late twenties, thirties, or older to get a higher degree, such as a master's or Ph. D. Like Rachel many more are taking training courses to improve their workplace skills. With many classes now available through the Internet, it is easier for people to get degrees or training by distance learning. Mayumi Hosoya, who is forty, teaches Japanese at a community college in New York. "Next term, I'll be teaching some of my classes using the Internet. This is new for me," says Mayumi, "At the moment, I am taking a course to learn how to teach this way. " At the same time, Mayumi's seventy-year-old mother and father are taking a distance learning course in Art History. "We love the subject," says Mayumi's father, "and now we can study with people from all over the world. I never thought learning could be this much fun. " Question: Rachel is sure that _ Options: A: getting an MBA is necessary for her job B: colleague studies didn't prepare her well for her job C: it's not clever to get a master's or Ph. D: students needn't to study when they get a job
B

Read the article and select the best answer. Article: The food in White Rose Restaurant was cheap and good, but nobody seemed to want to eat there. There were very few people going to eat there. The owner was very worried about it. Then he thought of a good idea. A few weeks later, his restaurant was always full of men and their girlfriends. Whenever a gentleman came with a lady, a kind waiter would give each of them a beautiful menu. The menus looked exactly the same on the outside, but there was an important difference inside. The menu that the waiter handed to the man gave the correct price for each dish and each bottle of wine, while the menu that he handed to the lady gave a much higher price! So when the man calmly ordered dish after dish and wine after wine, the lady thought he was much more generous than he really was! The man could make a good impression on the lady. Question: How was the food in White Rose Restaurant? Options: A: Cheap and good. B: Cheap but bad. C: Expensive and bad. D: Expensive but good.
A