单层厂房中当墙体较高时，上部墙体砌在吊车梁上，其重量通过牛腿传给柱承担。( )
参考答案：错
—Would you mind if I turned on the radio and listened to some music?
—_________. In fact, I also like listening to music.
A．Yes, I would
B．No, you can’t
C．No, go ahead
D．Ok, no problem
汇兑结算的使用对象是( )。
A．必须为企业
B．必须为国有企业
C．必须为个人
D．单位和个人均可
