The newly published book, which refers ________ basic English grammar, is ________ only for beginners.

A．as; meant

B．for; intended

C．to; planned

D．to; intended

注浆方式有同步注浆、壁后注浆等，选择注浆方式的主要依据是()。

A、地质条件

B、水位条件

C、隧道防水要求

D、地层变形要求