19．This library was ranked ______ one of the best libraries in theworld_____ honor of its contribution to the people．

If you _____ stop smoking , you can only expect to have a bad cough .

does it take you to watch TV —About forty minutes.

A terrible example of earthquake which happened in Wenchuan, Sichuan ________ thousands of millions of people die.

下列各句中，加点的成语使用恰当的一项是(　　)