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问题 问答题 简答题

制冷系统中，液氨贮槽的作用？

答案

参考答案：液氨贮槽在制冷系统中起着稳定制冷剂循环量的作用，以满足合成、铜洗氨冷器和铜洗加氨的需要。

填空题

词汇运用。

     I have a (1)______(好) friend. His name is Peter. He is in China with his two (2)______(叔叔). He

is practicing (3)______(说) Chinese. His father is a doctor and his mother is a (4)______(经理). We

study in Beijing Sunshine Secondary School. We (5)______(在) in the same class. He sits in (6)______(前面) of me. He likes music (7)______(所以) he has got many CDs. He likes (8)______(听) to music

very much. He likes playing table tennis, (9)______(也). After school we often play table tennis in the

(10)______(体育馆). He plays football very well.

1._____ 2._____ 3._____ 4._____ 5._____

6._____ 7._____ 8._____ 9._____ 10._____
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单项选择题

男，63岁。右舌缘疼痛不适3月。体检见右舌缘中部有一溃疡，3cm×3cm大小，质地偏硬，深部有一浸润块，伸舌时偏向同侧。右颈上部触及1cm×1cm大小淋巴结，质中偏硬、活动、无压痛，边界清。临床考虑为鳞状细胞癌。

若发生远处转移，最常见的转移部位为

A．脑

B．骨

C．肝

D．肾

E．肺
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