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问题 单项选择题 A1/A2型题

直肠癌一般先向肠管周围及向肠壁深层浸润生长，向肠壁纵轴浸润发生较晚，浸润距离一般不超过癌肿边缘的（）。

A.1～2cm

B.2～3cm

C.4～5cm

D.5～6cm

E.6cm以上

答案

参考答案：B

阅读理解

阅读短文，根据短文内容，从短文后的五个选项中选出能填入空白处的最佳选项。选项中有一项为多余选项。（共8分，每小题2分）

A Frenchman went to a small Italian town and was staying with his wife at the best hotel there. One night, he went out for a walk alone. It was late.        . Suddenly he felt someone behind him. He turned his head and saw an Italian young man who quickly walked past him. The man was nearly out of sight when the Frenchman suddenly found that his watch was gone. He thought that it must be the Italian who had taken his watch.         because he wanted to get back the watch.

　　Soon the Frenchman caught up with the Italian. Neither of them understood the other’s language. The Frenchman shook his   fist(拳头) in the Italian’s face and pointed at the watch.         . In the end he gave up his watch to the Frenchman.

When he returned to the hotel, the Frenchman told his wife what had happened. He was greatly surprised when his wife pointed to the watch on the table. Now he realized that by mistake he had robbed(抢劫) the Italian.         .

A．The Italian was afraid

B．It was the Italian’s watch

C．He decided to follow him

D．The Frenchman got excitedE. The street was dark and quiet 
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填空题 案例分析题

在人类和其他有胎盘的哺乳类动物中，下丘脑是体温调节的中枢。人类体温调定点为36.7℃。下丘脑对机体的体核温度（机体深部温度）和皮肤感受器的神经冲动作出直接反应，通过一系列调节来维持正常的代谢活动，当下丘脑检测到体温恢复正常后，关闭调节机制（负反馈）。下列各项是体内温度调节方面的生理过程：

真皮中的体温感受器，很多是游离的（）。当侦测到皮肤温度超出正常范围时，向下丘脑发出神经冲动，引发相应反应：真皮中的血管舒张或收缩分别（）；汗腺接受下丘脑通过副交感神经发出的信号产生汗液，增加蒸发散热；皮下脂肪层对器官有隔热作用，减少热量散失。
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