A:太阳辐射
B:太阳红外线辐射
C:地面的长波辐射
D:大气逆辐射
⑴ ____
⑵ ____
⑶ ____
⑷ ____
⑸ ____
A. One little teddy bear singing under the desk.
B. Two little dogs talking on the chairs.
C. Three little teddy bears jumping on the bed.
D. Jenny calls the doctor.
E. No more teddy bears playing on the bed.
“相逢点点头,握手问个好;感情要真诚,语言要美好”。这句话告诉我们( )
(2015•济宁)匀速地向一个容器内注水,最后把容器注满,在注水过程中,水面高度h随时间t的变化规律如图所示(图中OABC为一折线),这个容器的形状是下图中的( )