大型吊装前应与当地气象部门取得联系，风力大于6级时禁止起吊作业。
参考答案：对
Recently I have bought an iPad 3 on the website of taobao. com, ________ the price is very reasonable.
A．on which
B．in which
C．of which
D．from which
造成（）人死亡，构成特别重大事故
A.30
B.20
C.15
D.10
