单选题There was so much ______ material in the essay that it was difficult to get the author's message.

单选题Innovation, the effective recipe of progress, has always cost people their jobs. Over the past 30 years the digital revolution has 28 many of the mid-skill jobs that supported 20th-century middle-class life. Typists, ticket agents, bank tellers and many production-line jobs have been 29 with. For those who believe that technological progress has made the world a better place, such change is a natural part of rising 30 . Although innovation kills some jobs, it creates new and better ones, as a more productive society becomes richer and its wealthier inhabitants 31 more goods and services. A hundred years ago one in three American workers was employed on a farm. Today less than 2% of them produce far more food. The millions freed from the land were not delivered to joblessness, but found better-paid work as the economy grew more 32 . Today the pool of secretaries has 33 , but there are ever more computer programmers and web designers. Optimism remains the right starting-point, but for Workers the dislocating (扰乱的) effects of technology may make themselves evident faster than its benefit. Even if new jobs and 34 products emerge, in the short term income gaps will widen, causing huge social dislocation and perhaps even changing politics. Technology's impact will feel like a tornado, hitting the rich world first, but 35 sweeping through poorer countries too. Worse, it seems likely that this wave of technological 36 to the job market has only just started. From driverless cars to clever household devices, innovations that already exist could destroy jobs that have 37 been untouched. A. prosperity E. partition I. conversely M. demand B. dispensed F. eventually J. shrunk N. complicated C. inquire G. sophisticated K. fragile O. hitherto D. wonderful H. displaced L. disruption

单选题The town was ______ after fifty years. A. exclusive B. subsequent C. invariable D. resolute

单选题Nor has Washington yet______to Mexican demands for a treaty specifying extradition for U. S. officials who disregard the new stricture.

单选题More often than not, it is difficult to ______ the exact meaning of a Chinese idiom in English. A. exchange B. transfer C. convey D. convert

单选题If you associate with such people, I'm afraid you ______ serious trouble.A. are heading forB. are makingC. are avoidingD. are creating

单选题Only years later _ the truth about the matter. 

单选题Barker became ______ in science when he was a little boy.

单选题The author quotes Coleridge in order to______.

单选题You ______ get a new bicycle as a reward for doing well in the following final exam. A. must B. will C. shall D. should

单选题Son: May I play my computer game for an hour? Father: _____.

单选题The floods did not start to ______ until two days after the rain had stopped.

单选题Our earth is full of sound because it is full of ______ like trucks rolling along the highway or jets climbing into the sky.

单选题Would you spare some time to have a chat with me ( ) a cup of coffee?

单选题I had just posted the letter when I remembered that I hadn't ______ the cheque.

单选题Woman: Thank you very much for your help.Man:______

单选题By comparison, the author considers that ______.

单选题Only by reading extensively ______ you horizons.

单选题选出下面读音不同的选项（）。

单选题Man: Excuse me, madam. May I sit here?Woman: ______