问题
单项选择题
病因推断原则中，没有下列哪一条（）。
A.联系的强度
B.剂量反应关系
C.对联系进行统计学检验所得Ｐ值的大小
D.因果关系的时间顺序
E.研究中病因的量与发病率的量有相关关系
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
病因推断原则中，没有下列哪一条（）。
A.联系的强度
B.剂量反应关系
C.对联系进行统计学检验所得Ｐ值的大小
D.因果关系的时间顺序
E.研究中病因的量与发病率的量有相关关系
参考答案：C
| 完形填空。 | ||||
| Every year many people get hurt or die in traffic accidents. People make traffic 1 for some reasons, so we must obey them. Different countries have different traffic rules. In China, all the cars and buses keep on the 2 of the road. 3 we cross the road, we must 4 and look at both sides (first left then right). But in England, the traffic is on the left. When you cross the road, you should look 5 first or you may be in an accident. People have to obey many traffic rules. You must walk 6 the sidewalk. If you like riding a bike, don't ride in the middle of the road 7 run through red traffic lights (闯红灯). When you ride a bike with a friend, 8 look around and talk. When you drive, you must not drive too fast and you should pay attention to (注意) the traffic 9 . For example (例如), when you see, you mustn't make a U-turn. It's good 10 children and old people to cross the road. Remember to (记住) think about others. | ||||
|