单选题Through many years of evolution, your body has learned how to respond to stress {{U}}basing on{{/U}} its instinct for survival.

单选题Why are RDAs regularly updated?

单选题Ted has been living in town for only half a year; yet he seems to be ______ with everyone he meets.

单选题Many students find the experience of attending university lectures to be a confusing and frustrating experience. The lecturer speaks for one or two hours, perhaps 21 the talk with slides, writing up important information on the blackboard, 22 reading material and giving out 23 . The new student sees the other students continuously writing on notebooks and 24 what to write. Very often the student leaves the lecture 25 notes which do not catch the main points and 26 become hard even for the 27 to understand. Most institutions provide courses which 28 new students to develop the skills they need to be 29 listeners and note-takers. 30 these are unavailable, there are many useful study-skills guides which 31 learners to practice these skills 32 . In all cases it is important to 33 the problem 34 actually starting your studies. It is important to 35 that most students have difficulty in acquiring the language skills 36 in college study. One way of 37 these difficulties is to attend the language and study-skills classes which most institutions provide throughout the 38 year. Another basic 39 is to find a study partner 40 it is possible to identify difficulties, exchange ideas and provide support.

单选题To become complete mature, a child has to pass through several different stages in development at different times and at different rates of speed．

单选题"Pornographic" in Paragraph 3 probably means ______

单选题It is a market which sales value might be more than 10 billion yuan.

单选题These children have never exposed to Western culture.

单选题John and I have just been telling stories two of us .

单选题Large sums of money______each year in painting the steelwork of bridges, ships, and other exposed structures.

单选题We will put off the picnic until next month______the weather may be better. A. where B. that C. when D. which

单选题 Mr. Faugel was convinced that student nervousness had affected their scores; to reduce the anxiety of these students who had already been tested, he gave 22 of them a beta blocker before readministration of the test. Their scores improved significantly. The other 8 students (who did not receive the beta blockers) improved only slightly. Second-time test-takers nation-wide had average improvements which were similar to those in Faugel's non-beta blocker group. Beta blockers are prescription drugs which have been around for 25 years. These medications, which interfere with the effects of adrenalin, have been used for heart conditions and for minor stress such as stage fright. Now they are used for test anxiety. These drugs seem to help test-takers who have low scores because of test fright, but not those who do not know the material. Since there can be side effects from these beta blockers, physicians are not ready to prescribe them routinely for all test-takers.

单选题What was the first professional baseball team called?

单选题He______the leader of the Model Group in our factory.

单选题Music comes in many forms; most countries have a style of their own. 21 the turn of the century when jazz (爵士乐) was born, America had no prominent 22 of its own. No one knows exactly when jazz was 23 , or by whom, but it began to be 24 in the early 1900s. Jazz is America"s contribution to 25 music. In contrast to classical music, which 26 formal European traditions, jazz is spontaneous and free-form. It bubbles with energy, 27 the moods, interest, and emotions of the people. In the 1920s jazz 28 like America, and 29 it does today. The 30 of this music are as interesting as the music 31 . American Negroes, or blacks, as they are called today, were the jazz 32 . They were brought to Southern States 33 slaves. They were sold to plantation owners and forced to work long 34 , When a Negro died his friends and relatives 35 a procession to carry the body to the cemetery. In New Orleans, a band often accompanied the 36 . On the way to the cemetery the band played slow, solemn music suited to the occasion. 37 on the way home the mood changed. Spirits lifted. Death had removed one of their 38 , but the living were glad to be alive. The band played 39 music, improvising (即兴表演) on both the harmony and the melody of the tunes 40 at the funeral. This music made everyone want to dance. It was an early form of jazz.

单选题I cannot thank you very. much for your kindness, I owe my success to you. A. so B. too C. as D. enough

单选题Our flight to Guangzhou was ________by a bad fog and we had to stay much longer in the hotel than we had expected.

单选题The old man is in______habit of going for______walk along______river every morning except that it rains. A．a...a...the B．the...the...a C．/...a...the D．the...a...the

单选题Physical problems caused by emotional stress can appear as all of the following EXCEPT ______

单选题The computer has dramatically affected just like photographic lenses are constructed.