单选题We'll have to ______ to the idea even though we don't like it.

单选题"Sorry, there are no tickets ______ for tomorrow's performance," the ticket officer said politely.

单选题This film is worth ______twice.

单选题—Was the driving pleasant when you vacationed in Mexico last summer? —No, it______for four days when we arrived, so the roads were very muddy.

单选题 During rush hour, downtown streets are ______ with commuters.

单选题From this passage, we learn that the people ______.

单选题______ kinds of matter in the world. A. There is a few million B. That there are millions C. There are a few million D. It is millions

单选题Another hazard was that bottles sometimes fell off the shelves because of ______ from above.

单选题His hard work ______ when he won the prize.

单选题The jurors came to a Udeadlock/U in the defendant's trial for murder.

单选题"High tech" and "state of the art" are two expressions that describe the modem technology. High tech is just a shorter way of saying high technology. And high technology describes any invention, system of device that uses the newest ideas or discoveries of science and engineering. What is high tech? A computer is high tech. So is a communications satellite. (79) A modem manufacturing (生产) system is surely high tech. High tech became a popular expression in the United States during the early 1980' s. Because of improvements in technology, people could buy many new kinds of products in American stores, such as home computers, microwave ovens, etc. "State of the art" is something that is as modem as possible. It is a product that is based on the very latest methods and technology. Something that is "state of the art" is the newest possible design or product of a business or industry. A state of the art television set, for example, uses the modernest electronic design and parts. It is the best that one can buy. "State of the art" is not a new expression. Engineers have used it for years, to describe the best and most modem way of doing something. Millions of Americans began to use the expression in the late 1970 ' s. The reason was the computer revolution. Every computer company claimed that its computers were "state of the art". Computer technology changed so fast that a state of the art computer today might be old tomorrow. (80) The expression "state of the art" became as common and popular as computers themselves. Now all kinds of products are said to be "state of the art".

单选题Let me help you, ______? A. won't you B. will you C. shall I D. shan't I

单选题 This rule may have preserved the shark from being eaten as well as other animals ______.

单选题Conversation becomes weaker in society that spends so much time listening and being talked to __________ it has all but lost the will and the skill to speak for itself.

单选题Walking is excellent for working______.tension.

单选题A treadmill (跑步机) desk may be one thing. But what about a desk with a built-in exercise bike? A new study, in the July 26 of Applied Ergonomics, found people working at a cycling workstation burned calories at 2.5 times the rate as when they simply sat and typed. Pedaling didn't affect typing performance. Using a cycling workstation for 10 minutes every hour throughout a day could help desk workers lose weight and reduce the 27 of diabetes and cardiovascular (心血管的) disease, researchers said. 28 pedaling could improve cognitive function, they said. University of Utah researchers 29 10 normal-weight undergraduates and faculty members who reported spending 6.3 hours a day, on average, at a desk. Subjects, men ages 24 to 40, spent two 10-minute sessions 30 the Gettysburg Address. In one session, subjects pedaled and typed. In the other, they sat and typed. 31 were instructed to select a resistance level they could comfortably maintain for 32 periods without interfering with typing. Subjects burned 255 calories per hour pedaling and typing and 100 calories per hour sitting and typing. The exertion level was rated as very, very light. Transcription time 33 7.7 minutes while pedaling and 7.6 minutes while sitting. Subjects made an average of 3.3 and 3.8 errors in the pedaling and non-pedaling experiments, 34 Heart rate and oxygen 35 were substantially higher while pedaling and typing. The study was small and involved young fit men. A researcher is part owner in a company that is working with the university to develop a cycling workstation called an Active Desk. A. averaged B. consumption C. evaporating D. Intermittent E. Irritating F. issue G. lure H. Participants I. prolonged J. recruited K. respectively L. risk M. Superiors N. tentatively O. transcribing

单选题The main idea of the passage is given in the sentence beginning with "______"

单选题_________is known to all, good friends add happiness and value to each other's life.