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【简答题】
We are all busy talking about and using the internet. But how many of us know the history of the internet? Many people are surprised when they find that the internet was set up in the 1960’. At that time, computers were large and expensive. Computer networks didn’t work well if one computer in the network broke down. Then the whole network stopped. So a new network system had to be set up. It should be good enough to be used by many different computers. If one part of the network was not working , information could be sent through another part. In this way computer network system could keep on working all the time. At first the internet was only used it, too. However, computers were still very expensive and the internet was difficult to use. By the start of the 1990’s, computers were still very expensive and the internet was difficult to use. By the start of the 1990’s, computers had become cheaper and easier to use. Scientists had also developed software that made “surfing “ the internet more convenient. Today it is easy to get online and it is said that millions of people use the internet every day. Sending e-mail is more and more popular among students. The internet has now become one of the most important parts of people’s life. 小题1:The Internet has a history of more than years. A.ten B.twenty C.forty D.sixty 小题2:A new network system was set up to . A.make computers cheaper B.make computers expensive C.make itself keep on working all the time D.make computers large 小题3:At first the Internet was only used by . A.the government B.universities C.hospitals D.schools 小题4:What does “convenient” mean in the passage? A.便宜的 B.昂贵的 C.方便的 D.困难的 小题5:Today than before. A.fewer people are using computers B.it is more difficult to get online C.sending e-mail is more popular D.computers are more expensive
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参考答案:
举一反三
【单选题】下列哪个程序段的输出的结果哪个不是25?
A.
#define f(x) x*x int main() {    int a=2,b=3; cout< return 0; }
B.
#define f(x) (x)*(x) int main() {   int a=2,b=3; cout< return 0; }
C.
inline int f(int x) { return x*x; } int main() {   int a=2,b=3; cout< return 0; }
D.
int f(int x) { return x*x; } int main() {   int a=2,b=3; cout< return 0; }
【单选题】飞机上升和下降时,乘务员嘱乘客作吞咽动作,其意义在于
A.
调节基底膜两侧的压力平衡
B.
调节前庭膜两侧的压力平衡
C.
调节卵圆窗膜内外压力平衡
D.
调节鼓室与大气之间的压力平衡
【判断题】The English in the end conquered all the invading languages and is used by all the classes in the country.
A.
正确
B.
错误
【单选题】The movies that want to race for Academy Award nomination should be seen by all the members of the Academy.
A.
Y
B.
N
C.
NG
【单选题】飞机上升和下降时,乘务员叮嘱乘客作吞咽动作,其意义在于
A.
调节基底膜两侧的压力平衡
B.
调节前庭膜两侧的压力平衡
C.
调节卵圆窗膜内外压力平衡
D.
调节鼓室与大气之间的压力平衡
【单选题】The teacher gave the students extra work because she was ______ by all the noise and talking in the classroom.
A.
interrupted
B.
degenerated
C.
terminated
D.
exasperated
【单选题】下列哪个结果是系统的广义能量?(T0、T1和T2分别是动能对于广义速度的零次、一次和二次齐次函数部分的结果)
A.
T0+T1+T2+V
B.
- T0+T2+V
C.
-T0+T2
D.
T0+T2+V
【单选题】下列哪个是“3 and 4”的运算结果?
A.
0
B.
1
C.
3
D.
4
【单选题】幽门梗阻的病人,因长期呕吐常易发生
A.
低钾低氯性碱中毒
B.
高钾高氯性酸中毒
C.
高钾高氯性碱中毒
D.
高钾低氯性碱中毒
E.
低钾高氯性碱中毒
【单选题】幽门梗阻的病人,因长期呕吐常易发生
A.
低钾低氯性碱中毒
B.
低钾高氯性碱中毒
C.
高钾高氯性碱中毒
D.
高钾低氯性碱中毒
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