问题描述：
两道英语语法题.
1.with more forests being destroyed in that area,huge quantities of land _______ deserts each year.
A.has been turned into B .are being turned into.
为什么答案是B 可以理解正在转变为沙漠,但为什么A不可以,它不是表示从以前开始,并延续下去,且侧重对事物的影响吗?这不是A 更确切?
2.the super hybrid rice around the world _______ the lives of millions of people suffering from hunger to a great level.
A.have improved B had been improving.
A和 B 到底有什么区别啊?应该选哪个?
1.with more forests being destroyed in that area,huge quantities of land _______ deserts each year.
A.has been turned into B .are being turned into.
为什么答案是B 可以理解正在转变为沙漠,但为什么A不可以,它不是表示从以前开始,并延续下去,且侧重对事物的影响吗?这不是A 更确切?
2.the super hybrid rice around the world _______ the lives of millions of people suffering from hunger to a great level.
A.have improved B had been improving.
A和 B 到底有什么区别啊?应该选哪个?
问题解答：
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