What does the author mean by 'undisputed'(line 4, para. 1)?

未分类题It can be inferred from the first two paragraphs that______.A．most people think that hummingbirds and insects fly in a similar wayB．most people think that hummingbirds and birds fly in a similar wayC．few people think that hummingbirds are skilled at hoveringD．few people think that birds get their lift from up and down beats

未分类题According to Mr. Fadell, we get to know that______.A．Nest' s privacy policy has been changed by GoogleB．Nest' s privacy policy may remain unchanged for some timeC．Google will keep Nest' s privacy policy till Nest changes itD．privacy policy is made by Nest' s users

未分类题The author uses the example of the Wetordry sandpaper to show that______.A．nothing good comes from a mistakeB．real success can only be had if mistakes are avoidedC．all ideas should be treated equallyD．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.