罂粟壳的用量一般为A．0.02～0.04g B．0.2～0.4g C．1～2g D．

The business of the company was growing so fast that the manager had to _____ more workers.

A．take in

B．take on

C．take up

D．take after

We want a teacher to teach__________．   [ ]

A. our English    

B. we English  

C. us English    

D. ours English

石菖蒲横切面显微可见（）

A.油室

B.油管

C.含橘黄色油滴的分泌细胞

D.晶纤维

E.乳汁管

室外现场

下列描述与大量心包积液X线征象不符合的是（）

A.心脏普遍增大，心缘各弧消失

B.心脏搏动减弱或消失

C.肺淤血改变

D.卧位透视时见心底阴影增宽

E.心影大小短期内可明显改变