--- Do you know the reason _________ pilots turn off the plane’s lights before taking off?
---The practice is for the passengers to adjust to the dark _________ an emergency.
| A．why; for fear that | B．for which; in case of |
| C．how; for fear of | D．that; in case |
Mrs. Black doesn't believe her son is able to design a digital camera, ?
| A．is he | B．isn't he |
| C．doesn't she | D．does she |
--- Bob's taper recorder is so wonderful.
--- Mine is at least good, if not .
| A．as; better | B．so; very good |
| C．the same; the best | D．so; better |
Research found that children who drank mainly soda were more than twice as likely as those who drank no soda _________ signs of aggression.
| A．showing | B．shown |
| C．to show | D．show |
“The Mozart effect” is a study described in 1993 in Nature ________ aroused public interest about the idea ________ listening to a classical music somehow improves the brain.
| A．that; which | B．what; why |
| C．who; that | D．which; that |
China has said it will _______ support for foreign investment in the country’s car industry to encourage domestic car-makers.
| A．withdraw | B．distribute |
| C．command | D．appeal |