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问题 单项选择题

慢性粒细胞白血病的临床特点是

A．头痛、呕吐，脑脊液可检出白血病细胞
B．寒战、高热、出血并迅速衰竭
C．低热、贫血、巨脾
D．低热、乏力、颈部淋巴结肿大，切口不愈合
E．贫血、发热、无痛性淋巴结进行性肿大

答案

参考答案：C

解析：慢粒起病缓慢，早期无明显症状，其后逐渐出现代谢亢进的症状，如乏力、消瘦、低热、出汗。后期有明显贫血、感染及出血倾向。脾肿大是其突出体征。

单项选择题

企业在某一地区仅选择几个合适的有信誉的中间商经销自己的产品，目的在于维护产品的品牌信誉，建立稳固的市场，形成比较固定的消费群体，属于（）。

A.覆盖式销售策略

B.差异性销售策略

C.垄断式销售（独家销售）策略

D.选择式销售策略
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单项选择题

A group of frogs were traveling through the forests, but unluckily two of them fell into a hole. The other frogs tried to help them. When they saw how (16) the hole was, they cried to the two frogs that they could not be saved. The two frogs didn’t (17) and tried their best to jump up out of the hole. The other frogs (18) saying that they were sure to die. (19) ,one of the two frogs, who heard what the other frogs were saying, (20) ,then he fell down and died.
The other frog, however, (21) to jump as hard as he could, and at last made it out. When he (22) , the other frogs asked, "Didn’t you hear us" The frog, who had a poor (23) , explained, "I thought you were encouraging me all the time. "
The story teaches us a (24) : There is power(力量) of life and death in the tongue. An (25) word to those who are down can help them out while a discouraging word can kill them.

Ⅱ. 完形填空/Cloze

A．kept

B．finished

C．practiced

D．stopped
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