【单选题】下列选项中,关于不利气象条件说法错误的是( )。
D.
在目前评价中选择不利气象条件经常采用的方法是,从全年每小时和每日计算出的小时和日平均地面浓度中筛选出对环境敏感区和综合各关心点造成污染较重的小时或日典型气象条件
【判断题】Three These e-cards sre from his friends all over the world.
【单选题】Jordan has two goods that he consumes this week. He can choose to go to the arcade and play video games or he can purchase baseball cards. The price of each video game is $.50 and each pack of basebal...
A.
one set of baseball cards
B.
three sets of baseball cards
【判断题】传递物品时可请人代劳,切不可隔空抛给对方()
【多选题】关于典型气象区,下列说法正确的是( )。