磁悬浮列车优点；（）
A、没有噪音
B、产生的集声比普通列率小
C、产生的噪声比普通列车大
参考答案：C
It was not _____ she took off her dark glasses _____ I realized she was a famous film star.[ ]
A. where, that
B. until, that
C. until, when
D. when, then
感冒风寒束表证的代表方是（）。
A.荆防达表汤
B.葱豉桔梗汤
C.新加香薷饮
D.参苏饮
E.加减葳蕤汤
