II.Fill in the blanks(10)
The first and smallest unit that can be discussed in relation to language is the word. In speaking, the choice of words is 16 great importance. Proper _17__(choose) will get rid of one source of likely breakdown in the communication cycle. Too often, careless use of words___18___ (prevent) a meeting of the mind of the speaker and listener. The words used by the speaker may cause __19___(favor) reactions in the listener_20__interfere with his comprehension; hence, the transmission-reception system breaks down. Moreover , inaccurate or indefinite words may make _21__ difficult for the listener to understand the message which __22__(transmit) to him. The speaker_23__does not have specific words in working vocabulary may be unabe to explain or describe in _24_ way ___25_ can be understood by listeners.
III.cloze(15)
Nobody wants to appear fat. Many girls who care too much about their self-image(个人形象) choose to eat less food to 26 themselves from gaining weight. Some even take medicine to achieve their goals. Those unhealthy ways may lead to being 27 to a certain drug and the addiction is usually very 28 . There is little difference to committing suicide (自杀). I used to eat 29 a lot, which is said to be high in protein but low in calories. But the moment bird flu 30 out, I stopped eating this kind of meat. To me, health always comes first, because no matter how wealthy you are, your 31 will deprive(剥夺) you of the right to 32 your life, so why should we put ourselves in danger and suffer? However, you’d better keep it in mind that whether you go on a calorie-restricted (限制热量的) diet or not, exercising and 33 eating are excellent ways to keep your body in good 34. Their emphasis is that the healthy way to lose weight is 35 to make permanent changes to your lifestyle.
26. A. protect B. make C. promise D. keep
27. A. used B. addicted C. exposed D. devoted
28. A. painful B. useful C. cheerful D. sorrowful
29. A. fruit B. vegetable C. chicken D. pork
30. A. let B. set C. gave D. broke
31. A. medicine B. weight C. diet D. disease
32. A. enjoy B. make C. change D. take
33. A. regular B. healthy C. good D. normal
34. A. size B. shape C. situation D. style
35. A. usually B. generally C. quickly D. gradually
互为同分异构体的是 ；与乙二醇互为同系物的是 。