一、单选题
1.According to my grandma, it is a good idea to drink chicken soup when you have a cold. _____, scientists agree with her.
A. Sooner or later B. For example C. To be honest D. Believe it or not
2.They buried _____ dead and took _____ wounded people to the hospital at once.
A. a; the B. the; the C. the; a D. 不填; the
3.Now that we've discussed our problem, are people happy with the decisions ______?
A. making B. make C. made D. to make
4.If we had paid enough attention to the issue of the heavily-overloaded vehicles, the tragedy of the collapse of an overpass in Wuxi _____ avoided.
A. should B. could be C. should have been D. could have been