急性胰腺炎时血清淀粉酶升高的一般规律是（）

A.取决于腹痛的严重程度

B.发病后24～48小时内达高峰

C.发病24小时内，基本正常

D.发病48小时后开始升高，72小时达高峰

E.以上都不是

小题1:How are you today?  - I'm feeling much____ (bad)  than yesterday.

小题2: If you put your heart into studying English, you will be___(success) in the future.

小题3:There are two_____．(different) in the following pictures.

小题4:1 live on the____(twelve)floor of the building.

小题5:Would you mind_________(close) the window?