General George Washington and his hungry, ragged troops crossed the Delaware River from Pennsylvania, surprised the garrison of German mercenaries in Trenton, and captured the city.

An action that is lavishly rewarded as soon as it is pe...

单项选择题An action that is lavishly rewarded as soon as it is performed is well on its way to becoming a habit.

Since most doctors are ______ about effectiveness of th...

单项选择题Since most doctors are ______ about effectiveness of the new medicine, they seldom recommend it to their patients.

The manufacturers hoped that the motor show would _____...

单项选择题The manufacturers hoped that the motor show would ______ their car sales.