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问题 单项选择题 A1/A2型题

患者，颈部淋巴结肿大，质地坚硬，形体消瘦。为明确病理组织学诊断，需进行何种检查（）

A.血常规

B.胸片

C.胸部CT

D.颈淋巴结活检

E.颈淋巴结B超

答案

参考答案：D

单项选择题

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.

65（）

A．packets

B．cells

C．message

D．files
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补全对话，情景问答
阅读下面对话，从方框内7个选项中选择5个恰当的句子完成此对话，使其意思完整。
A: Look, there is a bag under the tree. 1. _____________
B: I don't know. Let's have a look. Oh, there is a soccer in it. 2. _____________
A: I don't think so. Many girls enjoy playing soccer now. 3. _____________
B: Yes, there is an English book and a notebook in it.
A: Open them and see. 4. _____________
B: OK, you are so clever. Yes, there is an English name here-David.
A: I know it must belong to a boy.
B: Of course. 5. _____________
A: There're some other words here--Class Eight, Grade Nine. Let's go to find him.
A. Everybody knows David is a name for a boy.
B. Are they new?
C. Maybe there is a name in the book.
D. Is there anything else in it?
E. Who's your favorite football star?
F. Whose is it?
G. Do you think it must belong to a boy?
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