质量较大的喜鹊和质量较小的燕子在空中飞行，如果它们的动能相等，那么_______飞得快；如果它们的重力势能相等，则________飞得高。
燕子，燕子
藿香、佩兰的共同功效是（）砂仁、豆蔻的共同功效是（）
A.化湿，解暑
B.燥湿，解表
C.行气，解表
D.燥湿，止呕
E.化湿行气，温中
—Wow. What a beautiful coat!
—I bought it in Suzhou last year. It's _____ silk. It's dear. [ ]
A. made of
B. made from
C. made in
D. made by
