呈浮岩块喷发物，降落到水盆地中，可形成正粒序层理。
参考答案：错
—Would you mind my smoking here?
—_______ It’s not allowed here.
A．Of course not.
B．You’d better not.
C．Yes, please.
D．OK.
糊丸不得超过（）
A.6%
B.9%
C.10%
D.12%
E.15%
