以下符合医技职业道德的是（）。 A.在医疗服务活动中收受患者及其亲友的财物 B.

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 (64) between sending the notification and notification arriving at the source, thousands of additional (65) may arrive. In ATM network , a major tool for pre- venting (66) is (67) control. When a host wants a new virtual (68) , it must describe the traffic to be offered and the service expected.

67（）

A．flow

B．admission

C．traffic

D．time

Object-oriented analysis （OOA） is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists of three steps. The first step is（）.It determines how the various results are computed by the product and presents this information in the form of a（）and associated scenarios. The second is（）, which determines the classes and their attributes, then determines the interrelationships and interaction among the classes. The last step is（）, which determines the actions performed by or to each class or subclass and presents this information in the form of（）.

It determines how the various results are computed by the product and presents this information in the form of a （） and associated scenarios.

A．collaboration diagram

B．sequence diagram

C．use-case diagram

D．activity diagram

稳定试井就是产能试井。

有机磷农药区别于氨基甲酸酯类农药中毒机制是（）

A.使胆碱酯酶水解

B.与胆碱酯酶分子结合

C.与胆碱酯酶磷酞基结合

D.使胆碱酯酶分解

E.使胆碱酯酶老化

在虚拟8086模式下，应用程序的特权级是()。
A) 0级
B) 1级
C) 2级
D) 3级