1 . The new product is beyond all praise and has quickly taken over the market ____ its superior quality.

A．in terms of

B．on top of

C．on behalf of

D．by virtue of

2 . ________ his high social status, it is really hard for us to _________his joining us in going west to teach children there.

A．Considering; oppose	B．Considered; prevent from
C．To consider; persuade	D．Being considered; object to