题干
In a few years' time, there _______ more trees on this hill.
A：are
B：is going to have
C：will have
D：will be
答案(点此获取答案解析）
D
In a few years' time, there _______ more trees on this hill.
A：are
B：is going to have
C：will have
D：will be
面积指数越大，叶片交错重叠程度越大。下图表示叶面积指数与光合作用和呼吸作用两个生理过程的关系。下列叙述中，错误的是
