I'm taking a test and have to guess the right answer to the question after the article. Article: The human body is a living machine, and, like all machines, it needs "fuel" to supply it with energy. This is provided by the food we eat. But how much do we need to stay healthy? The energy value of food is usually measured in calories . A calorie is the amount of heat required to raise the temperature of 1 kg of water by 1degC. The number of calories people need per day is different, as the picture shows. Also, the number of calories you use at any one moment normally depends on the activity you are in. For example, you need more calories for standing than for sitting, more for running than for walking, and so on. The energy in food is in the form of three kinds of chemical materials--carbohydrate , protein  and fat. Carbohydrate provides 3.8 Cal /gm of the energy, protein 4.0 Cal/gm, and fat 8.8 Cal/gm. Each food contains different amounts of these materials, as the round pictures show. (P= protein      C= carbohydrate    F=fat) Question: How many calories are needed to raise the temperature of 5kg of water from 35degC to 90degC? Options: A: 55. B: 175. C: 325. D: 275.
D
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I'm taking a test and have to guess the right answer to the question after the article. 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: When a gentleman and his girlfriend went into the restaurant, the waiter would give  _  a beautiful menu. Options: A: the gentleman B: the lady C: each of them D: neither of them
C
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I'm taking a test and have to guess the right answer to the question after the article. Article: As we all know, people couldn't live without water. Some parts of our bodies are made of water. We depend on clean water to live every day. However, we human beings are polluting water seriously. In some areas of China, people are still in great need of clean water. Dirty water is one of the world's biggest healthy problems. It's harmful to our health. When water from the rain and melting  snow runs through roads, it picks up some dangerous chemicals and other things along the way. Many of the rivers are short of protections, so they are easy to be polluted by factories or animals' waste. World Water Day has grown to become one of the important dates since 1993. In 2013, World Water Day shares the topic of Water Cooperation. If everyone tries their best to save and protect the clean water, our living conditions will be much better. ,. Question: Dirty water is   _   to our heath. Options: A: useful B: kind C: harmful D: cruel
C
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I'm taking a test and have to guess the right answer to the question after the article. Article: This is a picture of a classroom. The classroom is big and clean. You can see a teacher's desk, five desks and six chairs. You can see a girl and a boy, too. Three books are on the teacher's desk. A pencil box is on the desk. Two pens and two rulers are in the pencil box. A schoolbag is under a chair. A ball is on the floor. The girl is Linda; she is 11. The boy is Mike, he is 12. They are in Class Two, Grade one. They are friends. Their teacher is Miss Green. She is not here. Question: The two pens are  _  . Options: A: in the pencil box B: on the teacher's desk C: on the floor D: under the chair

A
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