肾母细胞瘤最常见的临床症状是（）。
A.腹部肿块
B.血尿
C.高血压
D.水肿
E.蛋白尿
参考答案：A
国家对麻醉药品药用原植物的种植实行( )
A．需求总量B．种植情况C．经营制度D．总量控制E．药用原植物
He would have gone to visit Linda yesterday, however , he _____on by Linda instead.
A．was called
B．called
C．would be called
D．has been called
