问题
单项选择题
对于气象站位于评价区外的情况,在引用附近气象站资料时,应采用分量回归法,那么对于二级评价项目,相关系数不宜小于( )。
A.0.35
B.0.30
C.0.45
D.0.40
答案
参考答案:A
对于气象站位于评价区外的情况,在引用附近气象站资料时,应采用分量回归法,那么对于二级评价项目,相关系数不宜小于( )。
A.0.35
B.0.30
C.0.45
D.0.40
参考答案:A
If you go into the forests with friends, stay with them. If you don’t, you may get lost. If you do get lost, this is what you should do. ![]() Sit down and stay where you are. Don't try to find your friends. Let them find you. You can help them to find you by staying in one place. There is another way to help your friends or other people to find you. Give them a signal( 信号 )by shouting or whistling(吹口哨) three times. Stop. Then shout and whistle three times again. And signal given three times is a call for help, If you don't think that you will get help before night comes, try to make a small room with branches( 树枝 ) 。 What should you do if you get hungry or need to drink water? You would have to leave your little branch room to look for something to eat and drink. Don't just walk away. Drop small branches as you walk so that you can find your way hack. The important thing to do when you are lost -- stay in one place.
|