1. [单选题]心内兴奋传导的顺序是 （ ）
A. 窦房结→房室交界→心房肌→心室肌
B. 窦房结→心房肌→心室肌→浦肯野纤维
C. 窦房结→房室交界→心室肌→浦肯野纤维
D. 窦房结→心房肌→左右束支→浦肯野纤维
E. 窦房结→心房肌→房室交界→房室束和左右束支→浦肯野纤维→心室肌
2. [单选题]根据以下材料，回答 40～43 问题。During a television play the sound man must be ready to make every sound as it is needed．Sound effects are of three kinds：real，imitated and recorded．
A. But the sound man must imitate many sounds． For bacon fryin9，he crumples cellophane paper．A long sheet of metal hanging in a doorway makes thunder·He taps one rubber sink plunger and then another on a table to imitate a horse walking on pavement． For a horse galloping along a gravel road，the sound man can use the two halves of a coconut，pounding each in turn very fast on the table．
B. He pays records for such sounds as a rooster crowing， a train leaving a station， and a baby crying．
D. 第 40 题 The sound man is important because he________
E. is kept busy
F. makes fl TV play more lifelike
G. 1ets an actor know when to life a telephone receiver
H. is always learning new methods
3. [单选题]According to the passage, the group with the highest AIDS rate is_________ .
A. the white Americans
B. African-American men
C. the American women
D. the black American women
4. [单选题]我国解决民族问题的基本原则是( )
A. 实行民族区域自治制度
B. 保护和发展各民族文化
C. 尊重和保护各民族的宗教信仰自由
D. 民族平等、民族团结和各民族共同繁荣(the common prosperity for all nationali)
5. [单选题]Schools were created_________ to prepare children for socialization．
A. in the part
B. on the part
C. in part
D. as a part
6. [单选题]The chair looks rather hard, but in fact it is very comfortable to ______.
A. sit
B. sit on
C. be seat
D. be sat on
7. [单选题]物种频度从高到低分A、B、C、D和E五级，按饶基耶尔频度定律，不正确的是（ ）
A. E级越高，群落的均匀性越太
B. 群落的均匀性与A级和E级的大小成正比
C. 属于A级频度的种类通常是很多的
D. B、C、D级的比例增高，群落中种的分布变均匀
8. [单选题]关于排尿反射的叙述，下列选项不正确的是 （ ）
A. 感受器位于膀胱壁上
B. 排尿反射受意识控制
C. 反射过程存在负反馈控制(negative feedback control)
D. 初级中枢位于骶段脊髓
E. 反射过程存在正反馈控制
9. [单选题]下列各项组合中，能准确判断酸中毒性质严重程度和代偿情况的是( )
A. 动脉血和尿的pH
B. 动脉血pH和HCO3-
C. 动脉血和静脉血PH
D. 动脉血和静脉血P(CO2)
E. 静脉血和尿的pH
10. [单选题]The Voice of America began during the World War II when Germany was broadcasting a radio program to get international (21) . American officials believed they should (22) the German broadcast with words that they thought were the facts of world (23) . The first VOA news report began with these words in (24) : "The (25) may be good or bad, but we shall tell you the truth." Within a week, other VOA (26) were broadcasting in Italian, French and English.After the World war II (27) in 1945, some Americans felt VOA's (28) had to be changed, (29) the Soviet Union (苏联)became the enemy of America. They wanted to reach Soviet listeners. Then VOA began broadcasting in Russian.
A. In the early years VOA began (30) something new to its broadcast that was (31) "Music USA" , Another new idea came (32) in 1959. VOA knew that many listeners did not know (33) English to completely understand its normal English broadcast. So VOA (34) a simpler kind of English, which uses about 1,500 words and is spoken (35) ,of course, it is Special English.
B. 21.
C. business
D. culture
E. support
F. information.
