A.It is elaborately decorated. B.It has survived some 2,000 years. C.It is very big, with only six slim legs. D.It is shaped like an ancient Spanish boat.
单项选择题A.In case some problem should occur.B.Something unexpected has happened.C.To avoid more work later on.D.To make better preparations.
A.In case some problem should occur. B.Something unexpected has happened. C.To avoid more work later on. D.To make better preparations.
单项选择题For what were Dennis Hutton and his wife awarded the Nobel Prize a second time()
A.Finding the true nature of subatomic particles. B.Their work on very high frequency radio waves. C.Laying the foundations of modem mathematics. D.Their discovery of the laws of cause and effect.