久病体弱的癥瘕患者，其治法是
A．破瘀散结B．理气行滞C．攻补兼施D．先补后攻E．先攻后补
参考答案：D
近几十年来，起重机在结构设计广泛采用（）。
A.角钢结构
B.圆形结构
C.三角形结构
D.箱形结构与钢管结构
—Do you think George has passed the driving test?
—No. If so, he _____his car to our college yesterday.
A．would drive
B．drove
C．would have driven
D．had driven
