夏天，人们喜欢到海边度假。白天，海风拂面，带来丝丝凉意，夜间却不会很凉。而沙漠的夏天昼夜温差可达50℃。对这种现象的解释，正确的是： （ ）
| A．太阳照射沙漠地区的时间较长 |
| B．海边有风而沙漠地区可能没有 |
| C．海水的比热容比沙石的比热容大 |
| D．太阳直射沙漠地区，斜射海边 |
相关试题
We on the playground when it began to rain．（ ）
| A． |
ran |
B． |
were running |
| C． |
run |
D． |
have run |
Look at the sig． You take photos here．（ ）
| A． |
couldn't |
B． |
needn't |
C． |
mustn't |
D． |
won't |
In China， we always use red paper for Hongbao red means luck．（ ）
| A． |
until |
B． |
if |
C． |
although |
D． |
because |
I very busy studying for my exams since last month．（ ）
| A． |
am |
B． |
was |
C． |
will be |
D． |
have been |
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