随着生态演替的发展,生物小循环加强。
参考答案:对
We all know that, , the situation will get worse. [ ]
A. not if dealt carefully with
B. if not carefully dealt with
C. if dealt not carefully with
D. not if carefully dealt with
将电力摆在能源战略的中心地位,客观上是由()所决定的。
A.电力特性
B.资源禀赋
C.能源发展规律
D.能源分布规律