问题
选择题
(2013·天津，6)We have launched another man－made satellite，________is announced in today's newspaper.
A．that
B．which
C．who
D．what
答案
答案：B
考查定语从句。此处关系代词which指代整个主句引导非限制性定语从句。句意：我们又发射了一颗人造卫星，这是在今天的报纸上宣布的。故答案选B。