下列地区和季节，海水向大气补充热量更多的是(　　)

①上海地区 　②夏季 　③白令海峡地区 　④秋季

根据板块构造学说，地中海的面积将会越来越小，直至消失，原因是(     )

用适当的词补全对话。

A: Do you know we have a new teacher and two new students this semester?

B: Really? What ____ the new teacher look ____?

A: He is an old man. He ____ no hair.

B: Is he ____?

A: Yes. And he ____ glasses.

B: ____ he have a mustache?

A: No, he ____ a beard. He is not good-looking. But he is very kind.

B: What ____ your new classmates? What ____ they ____ like?

A: They are twins. They look the ____. They ____ of medium height. They're not heavy ____ thin. They ____ curly hair.

B: What's the ____ ____ their hair?

A: Well, they ____ blonde hair. They are good-looking.