有个偷针者和偷牛者一起被游街。偷针的觉得委屈:“我只偷了一根针,为什么要和盗牛贼一起游街,太不公平了!”盗牛贼却对他说:“别嚷了,我走到这一步是从偷针开始的”。这一寓言故事告诉我们 () ①事物变化发展的实质是引起质变的量变 ②事物的质变是由渐进的量变引起的 ③事物的质变就发生在无形的量变之中 ④事物的不显著的量变可以向质变转化 A.①② B.①③ C.②④ D.③④
With more forests being destroyed, huge quantities of good earth ________ each year.
[ ]
A.
is washing away
B.
are being washed away
C.
are washing away
D.
is being washed away