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问题 解答题

在图书室借阅图书的期限为10天，10天后超过的天数要按每册0.5元收取延时服务费。小明借了一本故事书，如果每天看5页，16天才能全部看完。请你帮他算一算，他至少每天多看几页才能准时归还而不交延时服务费？

答案

解：16×5÷10=8（页）

        8-5=3（页）

单项选择题

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.

In low - speed network, it is usually adequate to wait for congestion to occur and then react to it by telling the source of packets to slow down. In high - speed networks, this approach often works poorly, because in the (1) between sending the notification and notification arriving at the source, thousands of additional (2) may arrive. In ATM network, a major tool for preventing (3) is (4) control. When a host wants a new virtual (5) , it must describe the traffic to be offered and the service expected.

5（）

A．path

B．rout

C．circuit

D．way
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单项选择题

高渗性脱水时可引起( )。

A．醛固酮分泌减少

B．醛固酮分泌增多

C．抗利尿激素分泌减少

D．抗利尿激素分泌增多

E．醛固酮分泌不变
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