Do you like to eat sushi ? Many people are afraid to eat it, because they think the bacteria in it might make them sick. However, a new study shows that sea bacteria are good for people. The study finds that a special enzyme from sea bacteria is helpful to humans. It helps people to get more energy from food. To people's surprise, the enzyme is present only in the Japanese. The Japanese traditionally like to eat food rich in seaweed . And the seaweed is rich in this kind of enzyme. However, the enzyme isn't present in all the Japanese. During the study, just 5 out of 14 Japanese had the enzyme. All the Americans studied didn't have the enzyme. "The number is small," said researcher Mirjam Czjzek. "But we can say that this enzyme is present only in the Japanese and not in the North Americans." Then some people think that maybe other people are able to get the enzyme if they eat a lot of seaweed. The study suggests that they collect uncooked seaweed to make their sushi. Restaurant sushi is often cooked, which will destroy the enzyme. So, if you want to get that enzyme, you can travel to Japan to have a taste of the real sushi. Which of the following food has the enzyme? A) Restaurant sushi. B) Restaurant seaweed. C) Uncooked seaweed. D) Seaweed soup.
C
One day Mr Brown sees a young woman with several children in the street. He is very surprised because all the children are wearing the same clothes. White caps, blue coats and yellow trousers. "Are all these children yours?" he asks the woman. "Yes, they are," she answers. "Do you always dress them in the same clothes? " asks Mr Brown. "Yes," answers the mother. "When we have four children, we dress them in the same clothes because we don't want to lose any of them. It is easy to see our children among other children because they are all wearing the same clothes. And now we have ten, we dress them like this because we don't want to take other children home by mistake . When there are other children among ours, it is easy to see them because their clothes are different." What kinds of clothes are the children wearing when Mr Brown sees them? A) White caps, blue coats and yellow trousers. B) Blue caps, yellow coats and white trousers. C) Yellow caps, white coats and blue trousers. D) White caps, yellow coats and blue trousers.
A
Q: There are trains to carry people,trains to carry animals or carry things.There are fast trains and slow ones.Some trains go through hills.In big cities,the streets are usually very busy.So you can find trains under the ground.they carry people quickly in and out of the big cities.Can a train run over the water?Yes,it can.There are many bridges over the rivers.The trains can easily run over the water.But it is not easy to build the bridges.Today's trains have dining rooms for people.You may eat something in them on the way if you are hungry.Trains are useful to men,women and children.Many children have model trains.With the model trains they can build their own rails and enjoy the wonderful world of trains. There are all kinds of trains.Here " all kinds of trains" means _ . A) fast trains and slow trains B) many different kinds of trains C) trains to go through hills D) trains to carry people
A: B
Question: Kate's room is big. A TV set is in the room. The TV set is on the table. Some red flowers are on it, too. We can see a nice picture on the wall . We can see a hat and some books on her bed. Her _ are under the bed. A desk is near the window . On the desk is a clock. It's time to go to school . Where's Kate's bag? Oh, it's on the chair. Kate is putting on her shoes. How many pictures are there in the bedroom? A) Three. B) Two. C) One. D) four
Answer: C
*Question*
If you don't often wash your hands, you can touch lots of viruses from many places and make yourself ill. You may have a cold when you touch your eyes, nose or mouth. One of the most common ways people have colds is by touching their noses or their eyes when there are cold viruses on their hands. If you don't often wash your hands, especially when you're sick, you may make other people ill. So you should follow the advice and wash your hands: * After using the bathroom. * After touching your nose or coughing. * Before eating, serving or preparing food. * After touching pets or other animals. * After visiting the sick people. * When your hands are dirty. There's a right way to wash your hands. Follow these advice and you can keep your hands clean. * Use warm water (not cold or hot). * Wash for 15 seconds . * Wash well under warm running water. " _ "is not the right time to wash hands. A) After using the bathroom B) Before having food C) When hands are dirty D) Before visiting the sick people
**Answer**
D
*Question*
I spent my last vacation trekking in Nepal, a small country in the Himalaya Mountains of Asia. On a trekking vacation, you walk for long distances through the mountains. There are very few roads in Nepal, so trekking is the best way to travel. It's best if you hire a guide . The guides know the best paths to take and they also help trekkers with their bags. Our guide even cooked our food for us. Every day, we trekked for about four hours before lunch, and about two hours in the afternoon. At the end of the day's trek, we sat around a campfire and talked about the things we saw. Then we went to sleep in large tents. Every morning, our guide brought breakfast to our tent. It was great. At the end of the trip, I didn't want to go home! How long did the writer walk every day? A) two hours. B) four hours. C) six hours. D) seven hours.
**Answer**
C