患者疼痛时可出现的行为反应是A．食欲不佳 B．手心出汗 C．面_爱下问搜题

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问题单项选择题

患者疼痛时可出现的行为反应是

A．食欲不佳

B．手心出汗

C．面色苍白或潮红

D．血压升高

E．哭泣、呻吟

答案

参考答案：E

解析：疼痛时患者可以出现生理、心理、行为等各个方面的反应，在所有五个选项中只有E属于行为反应，因而E正确。

完形填空

完形填空。
Life in 30 years will be 1_ because many changes will take place,but what will the changes be? The population is growing fast. There will be 2 people in the world and most of them will live longer than before. Computers will be 3 smaller and more useful,and there will be at least one in every home. And computer studies will be one of the important 4 inschool. People will work fewer hours than they are doing now,and they will have more free time for sports, watching TV and traveling. Traveling will be much cheaper and 5_ . And many more people will go to other countries 6_ holidays. There will be changes in our food,too. More land will be used for 7 new towns and houses. Then there will be less 8_ for cows and sheep,so meat will be more expensive. Maybe people won't eat it every day.They will eat more vegetables and fruit instead. Maybe people will be healthier. Work in the future will be different,too. Dangerous and hard work will 9_ by robots. Because of this, many people will not have 10 to do. This will be a problem.
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填空题

一个长方形的周长为30cm，若它的一边长用字母x（单位：cm）表示，则这个长方形的面积可表示为______cm²．