问题
单项选择题
原发性与继发性高血压的区别是根据下列哪种情况：
A、病因学
B、血压的高低
C、心脑肾是否损害
D、是否有高血压的症状
E、根据高血压是否是肥胖症及糖尿病的并发症
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
原发性与继发性高血压的区别是根据下列哪种情况：
A、病因学
B、血压的高低
C、心脑肾是否损害
D、是否有高血压的症状
E、根据高血压是否是肥胖症及糖尿病的并发症
参考答案：A
| 完形填空。 | ||||
| Don't waste time because time lost can never __1__. Time passes very quikly. Some students say they do not have __2__ time to do their lessons. They don't know __3__ make use of their time. They waste it in watching TV, playing games,and __4__ other useless things. Why do we go to school early in the morning? Why do most people __5__ buses instead of (代替) __6__? The answer is very easy: we wish to __7__ time because time is precious (珍贵). We know that time is __8__. When a man __9__, his time has finished. __10__ time is short, we must give our time to our studies or work. | ||||
|