Read the following article and select the best answer. Article: Below is a selection from a popular science book. If blood is red, why are veins blue? Actually, veins are not blue at all. They are more of a clear, yellowish colour. Although blood looks red when it's outside the body, when it's sitting in a vein near the surface of the skin, it's more of a dark reddish purple colour. At the right depth, these blood-filled veins reflect less red light than the surrounding skin, making them look blue by comparison. Which works harder, your heart or your brain? This question depends on whether you're busy thinking or busy exercising. Your heart works up to three times harder during exercise, and shifts enough blood over a lifetime to fill a supertanker. But, in the long run, your brain probably tips it, because even when you're sitting still your brain is using twice as much energy as your heart, and it takes four to five times as much blood to feed it. Do old people shrink as they age? Yes and no. Many people do get shorter as they age. But, when they do, it isn't because they're shrinking all over. They simply lose height as their spine becomes shorter and more curved due to disuse and the effects of gravity . Many (but not all) men and women do lose height as they get older. Men lose an average of 3-4 cm in height as they age, while women may lose 5 cm or more. If you live to be 200 years old, would you keep shrinking till you were, like 60 cm tall, like a little boy again?No, because old people don't really shrink!It is not that they are growing backwards--their legs, arms and backbones getting shorter. When they do get shorter, it's because the spine has shortened a little. Or, more often, become more bent and curved. Why does spinning make you dizzy ? Because your brain gets confused between what you're seeing and what you're feeling. The brain senses that you're spinning using special gravity and motion sensing organs in your inner ear, which work together with your eyes to keep your vision and balance stable. But when you suddenly stop spinning , the system goes out... Question: What is the colour of blood in a vein near the surface of the skin? - Blue. - Light yellow. - Red. - Dark reddish purple.
Dark reddish purple.

Read the following article and select the best answer. Article: 1. Need a room close to the US Embassy for a week in early January I need a room close to the US embassy for a week in early January. My parents are going to the US embassy for visa interview on January 7th. I am looking for a place for them to stay around this date. Hotels are too expensive for them since they have been retired long ago. They speak Chinese only. Rent can be made through Paypal in USD or cash in CNY, if the price is right. Reply to: house-510574487@craigslist.org 2. House wanted May 17-24 Looking for 5 bedrooms from May 17-24. Can be one large apartment or 2 smaller ones, but they must be close to each other. Please email me at jcshap@sina.com if you have a nice place with air conditioning, high speed Internet. 3. Home swap or share I have a beautiful 3-bedroom home with pool and spa in Las Vegas, the USA, 10 minutes from the strip . I am willing to share or swap my house for yours (home or apartment) during the holiday. I need a place for 2 or 3 people in Shanghai from May 19-25. in exchange, you can have my house for any week either during the holiday, or any other time as long as I have a one-month advance notice to set up for you so you can have my house all to yourselves. If interested, please email me at sdiem@cox.net and I will send photos for my home. 4. Apartment or house wanted May 8-28, 2013 My daughter is working in Shanghai and my family wants to be there to stay with her for some time. We are looking for a 2-3 room apartment or house to rent from May 28 in the Pudong District. Need air conditioning. Thanks Reply to: wcondon7@msn.com Question: The four advertisements all need a place _ . - with access to the Internet - for at least seven days - for at least three people - with air conditioning
for at least seven days

Q: Read the following article and select the best answer. Article: Once I invited a group of friends round to my house, telling them that I was going to record their speech. I said I was interested in their regional accents, and that it would take only a few minutes. Thus, on one evening, three people turned up at my house and were shown into my front room. When they saw the room they were a bit alarmed, for it was laid out as a studio. In front of each easy chair there was a microphone at head height, with wires leading to a tape-recorder in the middle of the floor. I explained that all I wanted was for them to count from one to twenty. Then we could relax and have a drink. I turned on the tape-recorder and each in turn seriously counted from one to twenty in their best accent. When it was over, I turned the tape-recorder off and brought round the drinks, and for the rest of the evening there was general cheerful conversation--interrupted only by the fact that I had to take a telephone call in another room, which unfortunately lasted some time. Or at least that was how it would appear. For, of course, the microphones were not connected to the tape-recorder in the middle of the room at all but to another one, which was turning happily away in the kitchen. The participants, having seen the visible tape-recorder turned off, paid no more attention to the microphones which stayed in front of their chairs, only a few inches from their mouths, thus giving excellent sound quality. And my lengthy absence meant that I was able to obtain as natural a piece of conversation as it would be possible to find. I should add, perhaps, that I did tell my friends what had happened to them, after the event was over, and gave them the choice of destroying the tape. None of them wanted to--though for some years afterwards it always seemed to be my round when it came to the buying of drinks. Linguistic research can be a very expensive business. Question: Which one is true according to the passage? - The writer destroyed the tape. - The writer's friends destroyed the tape. - The writer did tell his friends what had happened. - The writer's friends like to drink.
A: The writer did tell his friends what had happened.

*Question*
Read the following article and select the best answer. Article: Everybody knows that words can carry messages. People communicate with words. Books, magazines, TV,radio and films all help us to know what is going on in the world and what people are thinking about. Do you think you can communicate without words? A smile on your face shows you are happy or friendly. Tears in your eyes tell others that you are sad. When you put up your hand in class, the teacher knows that you want to say something or ask a question. You shake your head, and people know you are saying "No". You nod and people know you are saying "Yes". Other things can also carry messages. For example, a sign at the bus stop helps you to know which bus to take. A sign on the wall of your school helps you to find the library. Signs on doors tell you where to go in or out. Have you ever noticed there are a lot of signs around you and you receive messages from them all the time? People can communicate in many ways without words. For example, an artist can use his drawings to tell about beautiful mountains, seas and many other things. Question: Which of the following is NOT a way for communication without words? - A cry for help - A smile on your face - Making a face - Nodding your head
**Answer**
A cry for help