单选题John is no match______his younger brother at table tennis.

单选题A pigment called melanin protects the ______ layers of skin from sun rays.

单选题The olfactory regions of the nose are yellow, richly moist, and ______.

单选题There has been enough playing around, so let"s get down to business .

单选题When I returned home from a long journey, I found my house______.

单选题 With the sudden onset of severe psychotic symptoms, the individual is said to be experiencing acute schizophrenia (精神分裂症). "Psychotic" means out of touch with reality, or unable to separate real from unreal experiences. Some people have only one such psychotic episode. Others have many episodes during a lifetime but lead relatively normal lives during interim periods. The individual with chronic (continuous or recurring) schizophrenia often does not fully recover normal functioning and typically requires long-term treatment, generally including medication, to control the symptoms. These symptoms may include hallucinations (幻觉), incoherence, delusions, lack of judgment, deterioration of the abilities to reason and feel emotion, and a lack of interaction between the patient and his environment. The hallucinations may be a visual, auditory, or tactile. Some chronic schizophrenic patients may never he able to function without assistance of one sort or another.

单选题Will Americans go for AT&T"s plan of pushing the wireless services in the U.S.?

单选题I should like to rent a house, that is modern, cozy and, ______, in a convenient place.

单选题Because the United States has little tin, ______ produced in the rest of the world.

单选题Clever and intelligent as he is, he can never solve the problem______. A．alone B．lonely C．lone D．alonely

单选题While having orbited the sun, the satellite has sent more than four billion bits of information back to earth.

单选题The trapeze artist who ran away with the clown broke up the lion tamer's heart. A. broke away B. broke down C. broke D. broken down

单选题The traffic was entirely, ______ because of a series of traffic accidents on the road.

单选题Every one of us has______machine,______machine is______brain. A．a...A．..the B．a...The...the C．the...A．..a D．a...A．..a

单选题A good dictionary will help you up in your reading. A. in B. out C. down D. through

单选题I hate people who ______ the end of film that you haven't seen before. A. reveal B. rewrite C. revise D. reverse

单选题The very ubiquity of electronic communications can have a surprising {{U}}downside{{/U}}, notes Richard Kohn, a military historian at the University of North Carolina: a wife becomes accustomed to frequent e-mail from her husband, until he can't get to a computer. And then her anxiety increases.

单选题The hundred thousand dollars were found，because the thief dropped the money while escaping.

单选题The symbols of mathematics which we are most familiar are the signs of addition, subtraction, multiplication, division and equality.

单选题Public relations practice is the {{U}}deliberate{{/U}}, planned and sustained effort to establish and maintain mutual understanding between an organization and its public.