The author uses the example of the Wetordry sandpaper to show that______.
A．nothing good comes from a mistake
B．real success can only be had if mistakes are avoided
C．all ideas should be treated equally
D．if you purchase a piece of mind, you are impractical

未分类题Why did Richard Carlton say 'Every idea should have a chance to prove its worth'?A．Because his whole business depends on new ideas.B．Because he likes hearing new ideas.C．Because even if a new idea doesn't work, it will be one less competing idea to worry about.D．Because you never know which ideas are good and which are not.

未分类题Now is the ideal time to accumulate loyalty points—good for hotel stays, rental cars and airline tickets. Wise travelers can get two or even three times the points for one reservation, thanks to a fierce battle between travel websites Orbitz, which unveiled a major rising of the customer payback this week, Expedia and Hotels.com. Even infrequent travelers can collect booking-site points on top of airline miles and credit-card paybacks, and sometimes double-dip on hotel points, too. Why the big discount for consumers? Many travelers use online travel agencies to compare prices, but when it comes time to buy, they go directly to the airline or hotel they want. Online travel agencies used to charge booking fees, giving consumers an incentive to buy elsewhere. But they dropped most of their fees several years ago. The bet now is that fat rewards will turn browsers into buyers.

未分类题Your watch was lost in your foreign friend—Tom s home last Sunday night when you watched the World Cup in your friend s home. Write a letter to your friend to 1)thank him for his kindness, 2)describe your lost watch, and 3)ask him to help you. You should write about 100 words on the ANSWER SHEET. Do not use your own name. Use 'Li Ming' instead. Do not write your address.(10 points)

未分类题The key characteristic of adolescence in apes is______.A．an increase in body sizeB．sexual developmentC．sudden growth after a period of slow growthD．apes don't go through adolescence

未分类题What has been generally accepted as the reason for adolescence?A．To allow humans to become sexually mature.B．To give us an extended childhood during which to learn.C．To allow us to grow to our relatively large size, compared with other primates.D．So that parents will take more care of their children.