离心机是受力不均的高速旋转设备，其基础为普通基础，安装时应该采用( )垫铁。
A．螺栓可调垫铁
B．减振垫铁
C．勾头成对斜垫铁
D．橡胶垫
参考答案：B
Do the following statements agree with the information given in the text Write TRUEif the information in the text agrees with the statement.Write FALSE if the information in the text contradicts the statement.Write NOT GIVEN if there is no information on this.
A1 Gore works for a clean energy company.
________ they won the game was ________ we had expected. [ ]
A.That; which
B.Whether; that
C.What; that
D.That; what
