下列各点中,有太阳直射的是( )
A.90°S
B.40°S
C.赤道
D.66.5° N
一年内有阳光直射的是南北回归线之间.故选项A、B、D不符合题意.故选:C.
括号中所给动词的正确形式填空。
1. It's five o'clock. The students ________ (play) football on the playground.
2. You _______ (not pass) the exam if you don't work hard enough.
3. The baby is sleeping. Could you please stop ________ (make) so much noise?
4. This machine ________ (use) for cleaning the house.
5. The man spoke very slowly. He wanted me ________ (understand) what he said.
为什么第二阶段是生产要素的合理投入区间?