生态系统的能量流动是指能量从生物体进入环境的过程。 [ ]
参考答案:错
Then ____ a foreign delegation would come to our school.
A.the news that
B.came the news that
C.did the news come
D.came the news which
小规模纳税人销售货物或提供应税劳务,采取()。
A.税基相加法
B.税额相加法
C.税额减除法
D.简易征收方法