百分数做主语 谓语单数还是复数 有几种情况?

问题描述:

百分数做主语 谓语单数还是复数 有几种情况?

百分数作主语时谓语动词的形式
“分数或百分数 + of + 名词”构成短语作主语时,谓语形式是用单数还是复数取决于它们表示的意义.
More than 70 percent of the earth's surface is covered by water.
More than 70 percent of the students in our class are league members.