黑洞放在虫洞的一端可以制造时光机是因为（）。
A.黑洞不发光
B.黑洞让时间倒流
C.黑洞质量很大
D.黑洞让时间变慢
参考答案：D
It is said that both of the thieves ________ ten yeas ________.
A．sentenced; in the prison
B．were sentenced to; in the prison
C．sentenced; in prison
D．were sentenced to; in prison
受托代销业务商品的所有权属于：（）
A.委托方
B.受托方
