— Why can she keep such a good figure?

— She________great importance to regular exercise.

A. attains      

B. attracts

C. attaches  

D. applies

伤寒最常见的肠道并发症（）

A.肠穿孔

B.肠粘连

C.肠出血

D.肠梗阻

E.肠套叠