（2012福建卷）Nothing is so easy as parents raise their expectations of their children too high.
| A．of | B．to | C．by | D．for |
The income of skilled workers went up. ________, unskilled workers saw their earnings fall.
| A．Moreover | B．Therefore | C．Meanwhile | D．Otherwise |
I like getting up very early in summer. The morning air is so good _________.
| A．to be breathed | B．to breathe | C．breathing | D．being breathed |
________ fire, all exits must be kept clear.
| A．In place of | B．Instead of | C．In case of | D．In spite of |
——May I help you? You seem to be having some problems.
—— _______, thanks. I think I can manage.
| A． All right | B．No problem | C． It’s all right | D．There’s no way |
Carl is studying _____ food science at college and hopes to open up _____ meat processing factory of his own one day.
| A．/; a | B．/; the | C．the; a | D．the; the |