Aims:

1．Ability aims: 1). Master the floowing words and expressions. wild; decrease; hunt; reserve; danger; respond; mercy; certain; importance; contain; afftect; appreciate; succeed; 2). To Know about the following phrases: die out; in peace; in relief; burst into laughter; pay attention to ; 2. Knowledge aims 1). wild; decrease; hunt; reserve; danger; respond; mercy; certain; importance; contain; afftect; appreciate; succeed; die out; in peace; in relief; burst into laughter; pay attention to. 2). Students can remenber the above words and their derivatives.