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【简答题】
On 27th February 2008, something very unusual happened in the UK; there was a rather large earthquake. It was the biggest earthquake in 25 years in the UK. There have been very small tremors in the past but they pale into insignificance compared to this one. It was felt in a large area across the country too, from as far north as Edinburgh in Scotland to as far south as Plymouth on the south coast of England. The epicenter of the earthquake was in a small town in Lincolnshire, which is an area about two and a half to three hours north of London by car. A magnitude of 5.2 was registered on the Richter scale. There were lots of reports in the news from people who felt the earth move. One man said, 'We had loads of vibrating and wall shaking and stuff, noise coming off the roof. I came outside – the chimney's on the floor!' A collapsed chimney was the cause of what was probably the worst injury from the earthquake; a man broke his pelvis when the chimney fell on him. Another man who spoke to the BBC described the moment the earthquake occurred, 'Everything was shaking. As soon as it happened we all went outside and saw everyone else down the street, coming out and just realized it was an earthquake.' The huge rumble, which was felt by a lot of people, surprisingly caused very little structural damage to property. Most British people would be surprised to learn that there are 200-300 earthquakes in Britain every year, but most of them are so small, they go unnoticed. The magnitude of this earthquake is fairly small in comparison to some other natural disasters that have made international news, but for the people affected, it certainly came as quite a surprise. 60. Before this earthquake _______. A. there was no signs of any shakings at all. B. people did not feel anything unusual. C. many people realized there would be a bigger one to come. D. some small quakes were only too small to be ignored. 61. From this passage we know ______ is in the south of Great Britain. A. Lincolnshire                      B. Edinburgh C. Plymouth                         D. Scotland 62. This earthquake  _____. A. hardly caused any damages to the people’s belongings.. B. brought down many buildings in England. C. scared many people to death. D. made the world greatly surprised. 63. After reading this passage we can infer_______. A. people in England faced the earthquake bravely. B. this earthquake seemed to be felt all over Great Britain. C. this earthquake is the biggest one in history. D. the chimneys in Britain are the most poorly built parts of the houses.
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【单选题】chmod g+w file1这条命令的功能是( )
A.
为文件file1所属组增加写权限
B.
为文件file1所属主增加写权限
C.
为文件file1的其他用户增加写权限
D.
为所有用户增加写权限
【单选题】chmod 664 file1 以上命令改写为字符法的话,应该写为( )??
A.
chmod u=rw,g=rw,o=r file1
B.
chmod u=rwx,g=w,o=r file1
C.
chmod u=rw,g=r,o=r file1
D.
chmod u=r,g=r,o=r /file1
【单选题】命令chmod u+w file1的功能是()
A.
为file1文件的拥有者增加读权限
B.
为file1文件的拥有者增加写权限
C.
为file1文件的组用户增加写权限
D.
为file1文件的所有用户增加写权限
【单选题】执行命令chmod 6755 file1后,文件file1的权限变为()
A.
-rwxr-xr-x
B.
-rwsr-xr-x
C.
-rwsr-sr-x
D.
-rwxr-sr-x
【多选题】下列关于冷战性质的说法正确的是?
A.
冷战是两种意识形态之间的斗争。
B.
冷战是两种社会制度之间的斗争。
C.
冷战是两大政治阵营之间的斗争。
D.
冷战的性质是权力的斗争。
【多选题】求下列函数的导数: 1.y=ln3 2.y= 3.y=
A.
0
B.
2x
C.
-1/x^2
【单选题】chmod 755 file1执行这条命令后,文件file1的属性描述不正确的是()
A.
file1文件的属主(就是谁创建的这个文件)具有读、写、执行的权限
B.
属组(就是和属主一个组的成员)具有读和执行的权限
C.
其他用户(除属主和属组外)具有读和执行权限
D.
所有用户都具有读和执行的权限,没有写权限
【简答题】求由方程x/y=ln(xy)所确定的隐函数y=y(x)的导数
【单选题】执行命令chmod 4755 file1后,file1的文件全是是()
A.
-rwxr-xr-x
B.
-rwx-wx-wx
C.
-rwsr-xr-x
D.
-rwxr-sr-x
【简答题】求下列函数的导数 (1)y=f(x 2 )    (2)y=ln[f(x)]
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