急腹症的病人腹腔内穿刺液为带臭味的血性液，最可能为（）。

A.腹腔结核

B.绞窄性肠梗阻

C.急性出血坏死性胰腺炎

D.十二指肠溃疡穿孔

E.胆囊穿孔

句型转换

l.Those are my English books.(改为单数句)  

_______ _________my English_________．

2．We have some salad for lunch.(用let改为祈使句)

 _______ ________ some salad for lunch.    

3．These are basketballs and volleyballs.(对划线部分提问) 

_________ _________these?

4．The video tape is on the dresser.(对划线部分提问)  

________ _________the video tape?

5．Boys like to play soccer after school.(对划线部分提问)    

_______ _______boys like to_______after school?