辐射年总量随时间的变化是形成一年四季的直接原因。
参考答案:错
解析:辐射日总量随时间的变化是形成一年四季的直接原因。
给下列问句选择合适的答语。
( )1. How's the weather in Canada?
( )2. How much for this postcard?
( )3. Do you have a computer in Canada?
( )4. Where did you go yesterday?
( )5. Do you know where the school is?
A. Two yuan.
B. Yes,I do.
C. I went to the Palace Museum.
D. It's snowy
E. Yes, go straight down this street.
清火消毒汤功效与作用