第17题:[简答题]在短短四年的时间里,她能说一口流利的英语,而且不带外国口音! 参考答案:Within four years, she has managed to become so fluent in English that she doesn’t even have a foreign accent!
A. The formation of a funnel cloud. B. The sighting of a funnel cloud. C. The bulletin issued by the National Weather Service. D. The convergence of favorable conditions for a funnel cloud to form. 参考答案:D