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[单选题]
A desert area that has been without water for six years will still bloom when rain__.(1分)
A
Comes
B
will come
C
has come
D
would come
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试题答案：
A
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相关题目
22.4 In the fourth paragraph, “regurgitate” probably means____.
3.4 Which of the following is not true?____(1分)
3.2 The central idea of the first paragraph is to____.(1分)
24. Cloning, a Controversial IssueA new life begins when a male sperm and a female egg join. This new life has in it some chromosomes from the father and some from the mother. So it will inherit some characteristics from each parent. It is, if you like, a mix of both parents. Everyone knows this is true of all human life.But here comes the shock. Now, we are told, human life can start in another way. A way that does not need to join a male sperm and a female egg. This new way of reproduction is called cloning.This is how it works. Each single cell in the human body has in it a full set of chromosomes. All the genetic information that a living thing needs is in those chromosomes in the nucleus of the cell. So if any body cell can be made to divide and grow, it can form a new life. Since this new life would have only one set of chromosomes, it would be an exact replica of the body it comes from. This type of cloning has worked with plants, fruit flies, and even frogs.As far back as 1968 a man, J.B. Gurdon from Oxford University, produced a cloned frog.Could this procedure work with people? Scientists say it could. And it would work in much the same way. A healthy egg would be taken from a woman's body. No male sperm would fertilize it. The nucleus of the egg would be destroyed. It would be replaced with the nucleus of a new cell taken from the arm or anywhere else on the body of the donor. This donor could be a man or woman. The egg would then be put back into the womb of the woman. The egg would grow into a new life even though no sperm had fertilized it.The new baby would have only one parent. The parent would not have to be the woman in whose womb it grew. The parent would be the donor from whom the new nucleus had come, because it would be that person's chromosomes in the new baby. And the baby would be an exact twin of the donor.Cloning means that anyone could have a child. It would give new hope to people who cannot have a baby in the usual way. All you have to do is have one cell taken from anywhere on your body. Then, the nucleus of that cell would be put in the place of the nucleus of an egg cell and allowed to grow in a womb, or perhaps in a test tube. A new life would be made that would be a twin of the donor.Scientists are still at work to see if they can make this new way of reproduction perfect.But the thought of cloning brings all sorts of questions and fears. The use of cloning could change our world to the point where we might not know it. The family, as it is now, would not exist. Sex would not be needed for reproduction. The whole meaning of "parent" would change. We might even end up with whole tribes of people who look exactly alike. "Clone clans" might take the place of nations and races.It is easy to see how cloning could be misused. One nation could set out to make a master race of cruel "Hitlers" who would all be exactly alike and who would kill or make slaves of everyone else in the world.What about crime? Think what would happen if all the murderers, thieves, cheats, and swindlers in the world made thousands of clones of themselves to run the greatest crime ring in the history of the world.What about things that go wrong? What if - by accident - we got a race of hideous monsters that would make clones of themselves forever and ruin the world? Scientists cannot promise that such things might not happen.There is also the moral side of the issue. Is it right for humans to change the way life begins? Or is God the only one who can do that?Of course, there is a bright side. Think of all the great people in the world who could clone themselves so their genius could last forever. The world could keep all its great athletes, writers, engineers, scientists, and scholars. There could be a constant supply of all the good and useful people the world could need.There are many things to consider about clones. But the fact remains. Whether you think it is right or wrong, it can be done. It has already been done with animals. Is there any reason why it should not be tried with humans?(10分)24. 1 naturally born baby can not be an exact replica of either of its parents because____.(2分)A. the baby develops its own set of chromosomesB. the baby takes one cell from each parentC. genetic information can not be inherited from either parentD. chromosomes from both parents mix to form the new life of the baby
John Rogers, an American businessman likes to tell a story of visiting his company’s Chinese suppliers. “The previous year my company had proudly sent all its colleagues around the world some beautiful desk clocks. But when I arrived in Shanghai, I found my Chinese colleagues were upset with the gift. The reason is that the phrase “give a clock” in Chinese sounds like the phrase for “make a funeral arrangement” (meaning death). It was a symbol of the end of our relationship.” This tale shows 1. how important it is today to understcorrect gift-giving behavior around the world. 2. “Gifts are an important part of developing strong relationships with clients”, says Rogers. Business often depends on individual relationships built on trust a gift symbolizes this. But giving the wrong gift can make relations worse. So what is an appropriate thoughtful gift? Rogers says that 3.anything from your home country that is difficult to get elsewhere would be good. When to give the gift also depends on your culture. 4. Westerners usually give gifts when they meet each other but in Eastern cultures it is more usual to give gifts when you leave. There may also be special holiday times when gift-giving is expected. Gift-giving customs vary from country to country so it is difficult to be correct in every situation. But 5.if you learn the general rules do a bit of research on the customs of the places you will visit you will not go too far wrong. As John Rogers says, “I remember the country’s religious customs, I avoid giving things that are not appropriate or considered strange I choose the wrapping paper carefully. This shows people I have thought about the gift they always seem to appreciate the effort I have made.”(20分)
Do you consider____ more people over?
9. A.in B.into C.around D.round
4. It’s important to be on your guard when you are traveling to foreign countries. We’ve all heard the stories of unwilling travelers having their wallets stolen or finding themselves in the wrong part of town. Read the following tips and find out how you can stay safe while traveling abroad.First, you’d better carry a small amount of cash and a copy of your ID with you at all times. There is no need to bring large amounts of cash with you. Use your credit card instead. Second, don’t forget to lock your valuable things either in the safe in your hotel room or in the main hotel safe. Third, keep your wallet in your front pocket. For the ladies, it’s better to take a small purse under your arm so that there is no way someone’s hand could get in there without you noticing it. Fourth, be aware of your surroundings. Look around when walking, and avoid keeping your head low or being in a sleepy or drunk condition. Fifth, you should always know where you’re going. Look at the map before you leave the hotel so that you know where you’re going and how to get there.Finally, it will be a good choice to travel with your family, a friend, or a business partner if possible. It’s always better to travel in pairs than to go alone.(5分)4.1 The passage offered ______ traveling suggestions to the readers.(1分)A. fourB. fiveC. six D. seven
23.3 Whether you have enough sleep can be judged by ________.(2分)
22.4 From the lastparagraph, we can learn that .(2分)
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