影响声波传播的环境要素调查,调查建设项目所在区域的主要气象特征为()。
A.年平均风速
B.年主导风向
C.年平均气温
D.年平均相对湿度
参考答案:A, B, C, D
-- Oh, it's so disappointing that our team failed to win the final match!
-- Well, don't worry. _____.
A.Take things easy
B.Take your time
C.It isn't the end of the world.
D.That’s all right