最重要的辅助检查是 A．腹腔镜检查 B．内分泌检查 C．B超检查 D．MRI检查 E

竞争五要素分析模型是由（）提出的。

A.迈克尔·波特

B.彼得·德鲁克

C.杰克·韦尔奇

D.彼得·圣吉

. A party was given in the hall _______ the guests from France.

A．in favor of

B．in need of

C．in search of

D．in honor of

Mark needs to learn Chinese ______ his company is opening a branch in Beijing. 

A．unless

B．until

C．although

D．since

房室传导短路（）

A．Marfan综合征 

B．Williams综合征 

C．Bland-WhiteGarland综合征 

D．Wolff-Parkinson-White综合征 

E．Lutembacher综合征

He hopes to（）his paintings before the public in New York very soon.

A.exhibit

B.expose

C.express

D.experience