滑轮组作用可分为省力和增速两种，起重机常用的是增速滑轮组。（）A、正确 B、错误

At the age of 29, Dave was a worker, ________ in a small apartment near Boston and ________ what to do about his future. (2009湖南卷)

A．living; wondering

B．lived; wondering

C．lived; wondered

D．living; wondered

Is this room _____ the meeting? [ ]

A. large enough to have  

B. enough large to have  

C. large enough having  

D. enough large having

茯苓、薏苡仁均可利水渗湿，健脾，茯苓又长于治疗（）

A.湿热痹痛

B.风寒湿痹

C.心悸，失眠

D.肺痈

E.肠痈

电汇具有交款迅速、安全可靠、费用较高等特点，多用于急需用款和大额汇款。()

急性冠状动脉综合征的病理基础最可能为（）

A.冠状动脉狭窄

B.冠状动脉内炎症

C.冠状动脉痉挛

D.冠状动脉内粥样斑块破裂、出血、不全或完全血栓形成

E.冠状动脉粥样斑块形成