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【单选题】
To the people of the Bijagos archipelago, the shark is sacred. In (1)_____ ceremonies young men from these islands (2)_____ the coast of Guinea-Bissau must spear a shark and present the liver to their (3)_____ But can this ancient ceremony (4)_____ the economic fact that a bowl of shark's fin soup can cost $150 in the Far East? In the archipelago, and all along West Africa's coast, sharks are being 'finned' to (5)_____ Fishermen can earn $50-80 (6)_____ a kilo of sharks' fins, far more than ordinary fish. By the time they (7)_____ the Far East, they could be (8)_____ $500 a kilo or more valuable (9)_____ aphrodisiacs as well as for gourmets. The high demand is (10)_____ shark populations in West Africa and elsewhere. Most fish, vulnerable to (11)_____ eaten by bigger fish, protect their species by laying millions of eggs. But the shark has no natural enemy (12)_____ man, and gives birth to just a (13)_____ of young. (14)_____ female harks are often caught (15)_____ pregnant, the result has been predictably disastrous. Shark-like sawfish, which are also 'finned', are already virtually (16)_____ off the Bijagos islands, and guitarfish are (17)_____ threat. In some parts of West Africa, when sharks and other similar fish have been finned, the rest of the flesh is often (18)_____, salted and exported to places like Ghana, where there is a (19)_____ for lt. Dried shark is used much (20)_____ a stock cube would be elsewhere. But in the Bijagos islands, where traders are uninterested in exporting dried shark, carcasses are often left to rot on the beach.
A.
beginning
B.
start
C.
initiation
D.
initial
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参考答案:
举一反三
【单选题】关于谵妄,正确的叙述是
A.
患者突然变得安静时病情可能加剧
B.
不会发生冲动或自伤行为
C.
错觉和幻觉多为非恐怖性VC
D.
不会产生被害妄想
E.
一般没有定向障碍
【简答题】1909年,丹麦遗传学家约翰逊提出( )一词,替代孟德尔“遗传因子”的概念。
【判断题】1909年丹麦植物学家和遗传学家约翰逊首次提出“基因”这一名词。
A.
正确
B.
错误
【单选题】两个进程合作完成一件工作。在并发执行中,一个进程要等待合作者发来消息,或建立某条件后才能向前执行。进程间的这种制约关系,应该是______。
A.
同步    
B.
互斥    
C.
交互    
D.
执行
【简答题】1909年,丹麦遗传学家( )将遗传因子命名为基因(gene),并明确区分了( )和( )。
【单选题】两个合作进程(Cooperating Processes)无法利用( )交换数据。
A.
文件系统
B.
共享内存
C.
消息传递系统
D.
高级语言程序设计中的全局变量
【单选题】两个合作进程无法利用( )交换数据
A.
文件系统
B.
共享内存
C.
高级程序设计中的全局变量
D.
消息传递系统
【单选题】两个合作进程(Cooperating Processes)无法利用( )交换数据。
A.
数据库
B.
文件系统
C.
共享内存
D.
高级语言程序设计中的全程变量
E.
消息传递系统
【单选题】两个合作进程无法利用( )交换数据。
A.
数据库
B.
消息传递系统
C.
共享内存
D.
高级语言程序设计中的全局变量
【单选题】两个合作进程(Cooperating Processes)无法利用( )交换数据。
A.
文件系统
B.
共享内存
C.
高级语言程序设计中的全局变量
D.
消息传递系统
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