A.它形容声音的响度很大
B.它说明声音具有能量
C.它说明噪声的危害很大
D.它说明物体振动很快
答案:D
I want a book for my granddaughter Linda who is 2 years old.
A.buys
B.buy
C.to buy
D.buying
岩石的变形往往是()变形和()变形同时出现。