Read the article and select the best answer. Article: A dog has a piece of meat in his mouth. He's going to eat it at home. As he is walking on a bridge, he looks down and sees himself in the river. That dog looks like him and he has a piece of meat in his mouth, too. The dog thinks it's another dog. So he says to himself, "I want to eat more meat. I must make him run away from here and get the meat in his mouth. Then I can have two pieces." He opens his mouth to bark. That dog in the water barks at him. Suddenly, his meat goes down into the water. The dog is so angry, he jumps into the water to catch the other dog. Question: How many dogs are there in the river? Options: A: None. B: one. C: Two. D: We don't know.
A

Read the article and select the best answer. Article: "Memorize these words." "Learn this spelling rule." "Don't forget about the exam tomorrow." You remember things every day, but how do you do it? When you want to call a store or an office that you don't call often, you look in the telephone book for the number. You _ the number, and then you forget it! You use your short-term memory to remember the number. Your short-term memory lasts about half a minute. However, you don't need to look in the telephone book for your best friend's number because you already know it. This information is in your long-term memory. Your long-term memory has everything that you remember through the years. The major reason for forgetting something is because you do not learn it well at the beginning. For example, you meet some new people, and right away you forget their names. You hear the names but you do not learn them, so you forget them. Question: How long does the long-term memory last? Options: A: About half a minute B: About 60 minutes C: As long as you live D: Through many years
C

Read the article and select the best answer. Article: Frank, the dog, is very friendly. He loves meeting new people and going out with his friends. He has a lot of friends! One of his very good friends is a blue robot named Bob. Bob is a nice robot. A long time ago, Bob saved the world. But now, he lives a quiet life. Another great friend of Frank's is Hops,the rabbit. Hops is special( ) because he is good at every subject, especially math and science. He likes teaching others what he knows, and he's always making all kinds of inventions. An old friend of Frank's is Ted. Ted and Frank are both dogs, they're a little different. Frank is always trying new things-sometimes silly things! Ted, However, likes doing sensible things more than doing fun and crazy things. But both he and Frank love learning and care about doing what's right more than anything. So to them, their differences are small. Question: Hops is special because _ . Options: A: he saved the world. B: he likes his math teacher C: he is good at every subject D: he is always doing what's right
C