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【单选题】

Questions 21 and 22 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.
Now listen to the news.

What is Ayad Allawi’s next step after his visit to Britain

A.
To talk with President Bush in New York on Friday.
B.
To talk with President Bush in New York on Tuesday.
C.
To deliver a speech to the UN General Assembly on Friday.
D.
To deliver a speech to the UN General Assembly on Tuesday.
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参考解析:
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【单选题】属于第一类精神药品的是()

A.
麦角新碱
B.
地尔硫萆
C.
丁丙诺啡
D.
地芬诺酯
E.
喷他佐辛

【单选题】Passage Two Regular child care provided outside home or by someone other than the mother does not in itself undermine(削弱) healthy emotional connections between mothers and their 15-month...

A.
was never carried out in the past
B.
was not much done in detail in the past
C.
was greatly ignored by psychologists and researchers
D.
was interesting, but very difficult to make discovery

【单选题】自律性最高的是()

A.
心室肌
B.
房室交界
C.
浦肯野纤维
D.
房室结
E.
窦房结

【单选题】可以向接种单位、其他疫苗批发企业销售第二类疫苗的是()

A.
定点药品零售企业
B.
疫苗药品批发企业
C.
县级疾病预防控制机构
D.
设区的市级以上疾病预防控制机构
E.
国家疾病预防控制机构

【单选题】Take 2Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 to 45. The Chrysanthemum and the Sword (《菊与刀》) describes clearly how the Japan...

A.
The youngest male gets to bath first.
B.
Women are the last ones to take a bath in their family.
C.
Husband is in charge of daily expenses of the family.
D.
Women needn’t work since their husband will support them.

【单选题】4() A. at B. in C. on D. by

A.
There is probably no sound in (1) more chilling than the " hiss " of a diamondback rattlesnake. There is good reason: the western diamondback has killed more humans than (2) snake. It is easily excitable, very aggressive, frequently hungry, and deadly poisonous. Yet it doesn’t really hiss. Rather, it (3) its tail. A mature rattler can move its tail up and down between fifty and a hundred times a second! The hollow rattles (4) the tail, beating against each other, create the "hissing" sound.
B.
Why does this creature (5) rattles Rattlesnakes molt three times a year, shedding their outer layer of skin each time. But the molting skin near the tail is not discarded. (6) it hardens and hollows out, becoming another rattle. If a snake had never lost any rattles, you could (7) its age by counting them and dividing by three.
C.
Do the snakes need their rattles The rattles cannot be used in a mating call, (8) rattlesnakes are deaf. They are not a sign of hunger, for snakes with full stomachs rattle as often as hungry (9) . And in the wild, the rattling scares prey. It does not (10) them. Therefore, scientists believe that snakes use rattles merely to warn larger animals not to step on (11) . They have studied them extensively and found that it was a function more important in ages past when the rattlers shared the plains (12) 60 million buffalo!
D.
Rattlesnakes are one of the (13) advanced forms of " pit " vipers—animals who possess an organ for an extra sense. The pit organ is like an infrared radar sensor. (14) in the snake’s head, the pit organ can sense differences in temperature between inside and outside itself—differences as small as 1% of a degree. Not only can rattlesnakes (15) sense the presence of another animal—or a human—but they apparently can (16) determine its direction and range. These animals don’t feed on (17) , of course. Their poison, however, may kill humans. But this happens only in (18) they think is self-defense.
E.
Rattlesnakes are really quite (19) Their principal diet of mice and rats makes them valuable to the ecology of the West. So rather than fear them, we should respect the (20) they play in containing the population of these harmful pests.