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【单选题】
Linux 的文件名不宜采用一些符号,如空格,“/”等。其中“.”也不宜作为普通文件的第一个字符,为什么?
A.
以“.”开头为非法文件名
B.
以“.”开头为隐藏文件
C.
以“.”开头只能用于目录的命名
D.
以“.”开头的为设备文件
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参考答案:
举一反三
【单选题】唯一键约束使用关键字()实现
A.
Unique
B.
Primary key
C.
Foreign key
D.
Check
【单选题】下列哪项不属于免疫增强剂
A.
左旋咪唑
B.
西咪替丁
C.
卡介苗
D.
烷化剂
E.
短小棒状杆菌
【单选题】Which of the following is the viewpoint of the Times newspaper?
A.
British universities should expand their enrollment to meet the needs of industry.
B.
Expansion in enrollment is bound to affect the quality of British higher education.
C.
British universities should help fight competition on world markets.
D.
European universities can better meet the needs of the modern world.
【单选题】下列哪项属于免疫增强剂:
A.
环孢霉素A
B.
环磷酰氨
C.
皮质激素
D.
硫唑嘌呤
E.
左旋咪唑
【单选题】唯一键约束使用关键字(     )实现
A.
unique
B.
primary key
C.
defualt
D.
foreign key
【单选题】The Aristotle example is used to make the point that_____________
A.
universities in the UK have produced too much good for graduates
B.
such abstract subjects as philosophy is no longer useful
C.
education should serve the social needs
D.
it is advisable for today’s philosophers to know computer science
【单选题】下列哪项属于免疫增强剂?
A.
环孢霉素
B.
环磷酰氨
C.
皮质激素
D.
硫唑嘌呤
E.
左旋咪唑
【简答题】Section A Top UK Universities Warn of Damage from Budget Cuts The heads of 20 of the UK’s most prestigious universities have warned that government plans to cut funding will lead to a higher education...
【单选题】The example of Aristotle indicates that__________ .
A.
universities in the UK have produced too many good-for-nothing graduates
B.
universities should stop teaching philosophy
C.
high technology is nOW valued more than other COUrses in universities
D.
universities should put more stress on computer science
【简答题】How many other UK universities have libraries open 24 hours?
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