问题
选择题
Many _______ of years later, the first extremely small plants began to appear on the surface of the water.
A.millions
B.million
C.million of
D.millions of
答案
答案:A
本题考查数词。Millions of上百万的,许许多多的;因为横线后面有of,排除D项。句意:上百万年之前,第一个极其小的植物开始出现在水面上。