用单词的正确形式填空

1. Mary is much                 _(outgoing)than Betty.

2. I wish to speak English as _       ( well) as you.

3. My father used to         ( smoke) a lot, but now he doesn't smoke anymore.

4. David jumped the _       ( high) of all boys.

5. Don't give up _         ( work) hard. You'll succeed soon.

用同样配合比的混凝土拌和物做成两种不同尺寸的立方体混凝土试块，试压时大尺寸的试块破坏荷载大，故其强度高；小尺寸试块的破坏荷载小，故其强度低。( )