Email There"s nothing like the Mail program on iPad. With a split-screen view, and expansive onscreen keyboard, it lets you see and touch your email in ways you never could before. Photos A vivid LED-backlit IPS display (显屏) makes viewing photos on iPad extraordinary. Open albums with a tap. Flip through your pictures one by one. Or play a slideshow and share your photos. | |
根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 | |
What makes one person more intelligent than another? What makes one person a genius, like the brilliant Albert Einstein, and another person a fool? Are people born intelligent or stupid, or is intelligence the result of where and how you live? 1_____ We know, however, that just being born with a good mind is not enough. In some ways, the mind is like a leg or an arm muscle. 2_____ Mental exercise is particularly important for young children. Many child psychologists think that parents should play with their children more often and give them problems to think about. 3_____ If, on the other hand, children are left alone a great deal with nothing to do, they are more likely to become dull and unintelligent. 4_____ According to some psychologists, if parents are always telling a child that he or she is a fool or an idiot, then the child is more likely to keep doing silly and foolish things. So it is probably better for parents to say very positive things to their children, such as "That was a very clever thing you did." or "75 " | |
A. A healthy body contributes to one"s intelligence. B. Parents should also be careful about what they say to young children. C. What people want to express is like this. D. The children are then more likely to grow up bright and intelligent. E. It needs exercise. F. You are such a smart child. G. These are very old questions and the answers to them are still not clear. | |
阅读理解。 | |
Superman had it right if you want to keep something safe, build a mountain fortress (堡垒) above the Arctic Circle. That"s the thinking-more or less-behind the Svalbard Global Seed Vault (地窖). Almost every nation keeps collections of native seeds so local crops can be replanted in case of an agricultural disaster. The Global Seed Vault, opened on the far-northern Norwegian island of Spitsbergen, is a backup for the backups. It"s badly needed-as many as half the seed banks in developing countries are at risk from natural disasters. The vault can hold up to 4.5 million samples, which will be kept dry at about -18℃. Even if the facility (设施) loses power, the Arctic climate should keep the seeds alive for thousands of years. On an unusual old farm in New York City, workers are also storing away the seeds of the future. In this unlikely place, researchers are putting the seeds from flowering plants and trees in a sleeplike state called suspended animation (假死状态). Many years from now, other workers will wake up the sleeping seeds and plant them where they"re most needed. These seeds are like the legendary (传说中的) Rip van Winkle, who fell asleep under a tree and woke up 20 years later. The small farm, called the Greenbelt Native Plant Center, is part of a global effort to save threatened (受到威胁的) plants and trees. The most important step is to collect seeds at exactly the right time-when they are just about ready to fall from the plant. The seeds are being kept in storage at the Greenbelt Center. When planted in the future, these seeds could help restore damaged parklands and forests. | |
1. Why is the Global Seed Vault located in a far-northern Norwegian island? | |
A. Because it is a place to keep everything safe. B. Because half the seed banks in developing countries are at risk. C. Because the climate there is fit for keeping seeds for a long time. D. Because it is the best place to fight against agricultural disasters. | |
2. The Greenbelt Native Plant Center in New York City is unusual because _____. | |
A. it is an old farm in a big city B. it is the largest seed company in the world C. it is set up to save the threatened plants and trees D. it stores the seeds of most kinds of plants in New York City | |
3. To store the seeds well and last as long as possible, the most important thing is to _____. | |
A. collect seeds at the right time B. store them at a constant temperature C. dry them in specially designed rooms D. make it enter a state of suspended animation | |
4. The passage is mainly about _____. | |
A. Global Seed Vault B. saving seeds for the future C. the challenges of collecting seeds for storage D. the efforts made by Greenbelt Center to save plants |