从方框里选择正确的句子补全对话。

Tina: Hi, Dave.        小题1:

Dave: Oh, it was awful and boring. I didn’t have fun that day.

Tina: What did you do?

Dave:          小题2:I saw a dolphin show there.

Tina:       小题3:

Dave: But there were so many people.

Tina:       小题4:

Dave: About 5,000 people.

Tina: Wow!  Too many.

Dave:         小题5:I couldn’t see it clearly.

Tina: Oh, that’s too bad.

疟疾的临床表现有（）

A.突起畏寒、寒战、高热

B.大汗后热退

C.黄疸

D.贫血

E.脾大