顺次连接等腰梯形四边中点所得四边形是[ ]
A.菱形
B.正方形
C.矩形
D.等腰梯形
答案：A
I couldn't do my homework with all that noise ______.[ ]
A. going on
B. goes on
C. went on
D. to go on
上述哪组为温胆汤和橘皮竹茹汤均具有的药物（）
A.人参、甘草
B.半夏、竹茹
C.竹茹、茯苓
D.竹茹、甘草
E.竹茹、生姜
