Question: Read the following article and answer the question. Article: US military is attempting to develop a new style "insect robot" to replace the human soldier to go wherever he can't. The greatest trouble this project has fallen across is how to enable the robot to fly freely like an insect, said an official of the Pentagon . The Pentagon is seeking for the cooperation with scientists in hope of developing a new technique by which people can control the insect's flight direction and pass on the information its eyes or other organs catch through the equipment set in its body, the official said. It is thus designed that a tiny controlling chip will be equipped in an insect's body when it is in chrysalis . As the insect grows, the cut made when fixing in the chip will be recovered. The chip will exist in forever. Scientists believe this won't influence the insect, sound growth or the functions of internal organs. The _ target of the project is to set up a global system, in which the insect robots will be stationed in all parts of the world and stick to their posts till a new instruction is received. At that time the military can receive from all over the world clear image information within about 5 meters of the insects and that of a special target within 100 meters. Years ago, Defense Advanced Research Projects Agency of US DOD spent $3,000,000 carrying out a plan for training bees to detect landmines. But, no new progress has so far been made. "According to the scientists, there is still enormous difficulty in technology in turning it into reality, such as the insects reproduction , their adaptation to the surroundings and temperature and so on. However, this project is really challenging. If successful, it is equal to making countless small drone ,"said the official of DOD. Question: According to the description of the passage, what is an insect robot like? Answer:
OPTIONS:
- An insect made of a certain metal.
- A robot looking like an insect.
- An insect with a chip in its body.
- A tiny flying robot.
Answer: An insect with a chip in its body.

Question: Read the following article and answer the question. Article: One of the most important things in the world is friendship. In order to have friends, youhave to be a friend. You have to be with them in both good and bad times. In return, they will be there for you. But how can you be a good friend? Listen. Listen when they are talking. Keep eye contact. Don't say anything unless they ask you a question. Sometimes you're not required to have anything to say; they just need someone to talk to about their feelings. Help them. If your friends are ever in need of something, be there to help them. You should try to put them first, but make sure you don't become their slave . Try to take an extra pencil or pen with you to classes as they may forget to take one. Have a few extra dollars in your pocket in case they forget something they need. Be there for them. Try to make something for your friends to help make them feel better in hard times. Making cards and baking things are among the nicest things you can do for a friend when they are in hard times. Marilyn Monroe once said, "I'm selfish, impatient and a little insecure. I make mistakes, and I am out of control and at times hard to deal with. But if you can't handle me at my worst, then you surely don't deserve me at my best. " Always remember this! If you don't want to deal with your friends when they'redepressed, then you don't deserve to be with them during those parties where you have a good time! Try to make plans with your friends. Go shopping, go for an ice cream, have a party, go to a movie and so on. Make time to know each other even better by doing something you both enjoy. These are the things you'll remember once you're all long graduated when looking back on your life ! Question: Marilyn Monroe's words are mentioned to tell us that _ . Answer:
OPTIONS:
- everyone has ups and downs during their lifetime
- we should just share our happy times with our friends
- we should be there when we are needed by our friends
- we should learn to forgive our friends when they are wrong
Answer: we should be there when we are needed by our friends

Question: Read the following article and answer the question. Article: We can't deny that trees are useful to man in three very important ways: they provide him with wood and other products, they give him shade, and they help to prevent drought and floods. Unfortunately, in many parts of the world man has not realized that the third of these services is the most important. In his eagerness to draw quick profit from the trees, he has cut them down in large numbers, only to find that without them he has lost the best friends he had. Two thousand years ago a rich and powerful country cut down its trees to build warships, with which to gain itself an empire. It gained the empire but, without its trees, its soil became hard and poor. When the empire fell to pieces, the country found itself faced by floods and starvation. Even though a government realizes the importance of a plentiful supply of trees, it is difficult for it to persuade the villager to see this. The villager wants wood to cook his food, and he can earn money by making charcoal or selling wood to the townsman. He is usually too lazy or too careless to plant and look after trees. So unless the government has a good system of control, or can educate the people, the forests will slowly disappear. This does not only mean that the villagers' sons and grandsons have fewer trees. The results are even more serious. For where there are trees ,their roots break the soil up, allowing the rain to sink in and also bind the soil, thus preventing it being washed away easily, but where there are no trees, the soil becomes hard and poor. The rain falls on hard ground and flows away on the surface, causing floods and carrying away the rich topsoil, in which crops grow so well. When all the topsoil is gone, nothing remains but worthless desert. Question: When there is a heavy rain ,trees can help to prevent floods, as they can _ Answer:
OPTIONS:
- keep rain from falling down to soft ground
- cause the soil to allow rainwater to sink in
- prevent the soil from being washed away
- make the topsoil stick together
Answer:
cause the soil to allow rainwater to sink in