阅读是从看到的言语向说出的言语(大声的或无声的)过渡。
参考答案:对
--There goes the bell.
--It's time for class. Let's stop .
A. talk B. talking C. to talk
我国的《公路沥青路面再生技术规范》建议水泥等活性填料一般不超过()
A.1%
B.1.5%
C.2%
D.2.5%