13. GWD-23-Q31
According to some botanists, invasive plants are the second most seriousthreat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems.
A. threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems
B. threat, after habitat loss, to native species of plants and animals and for maintainingbiologically diverse ecosystems
C. threat, after losing their habitat, to native species of plants and animals and also to maintenance of biologically diverse ecosystems
D. threat to native species of plants and animals and for maintaining biologically diverse ecosystems, after habitat loss
E. threat to native species of plants and animals as well as to maintaining biologically diverse ecosystems, after losing their habitat答案是A 想知道为什么C错了,after losing their habitat有什么错吗? 多谢! |