用普通砖砌筑的砖墙,依其墙面组砌形式不同,有()全丁砌法、两平一侧砌法等。
A.一顺一丁
B.三顺一丁
C.梅花丁
D.全顺砌法
参考答案:A, B, C, D
---Did you see who the driver was?
----No, so quickly ______ that I didn’t make out what his face was like。
A.did the car speed by
B.the car speed up
C.does the car speed by
D.the car speeds up
水滴直径