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问题 多项选择题

人类行为的适应形式主要有（）

A.反射

B.警惕

C.调适

D.顺应

E.自我控制

答案

参考答案：A, C, D, E

解析：人在与环境的相互作用过程中，形成多种适应形式。人类行为的主要适应形式有6种，即：反射、自我控制、调试、顺应、应对和应激。

选择题

某元素的一种核素X 的质量数为A，含N个中子，它与1H 原子组成HmX 分子。在ag HmX中所含质子的物质的量是 [ ]

A．mol 　

B．mol

C．mol 　　　　　　　　

D．mol

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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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