人民法院对符合《民事诉讼法》起诉条件的消费者权益争议，（）受理，及时审理。 A.必须

—Remember how we met for the first time, Dick?

—Of course I do. You _______ to the teachers' office hurriedly and _________ me.

A．had walked; weren't noticing

B．were walking; didn't notice

C．had been walking; noticed

D．walked; had noticed

过期儿指胎龄为（）。

A.＞40周

B.≥42周

C.＞42周

D.≥41周

E.≥43周

涎腺炎的主要感染途径为（）

A.血源性感染

B.淋巴源性感染

C.逆行性感染

D.损伤性感染

E.邻近组织感染蔓延

谢尔福德耐性定律。

简答“仿制贝”出现的原因和意义。