在次物体节点中将两个节点合并为一个节点的方法是()
A、加点
B、连接
C、焊接
D、绑定到
参考答案:C
废热锅炉发生逆循环对生产没有影响。()
--- Will you please fly a kite with me in the park this afternoon?
---_____. I will look after my sister.
A.I think so .
B.I’d like to.
C.I’m afraid so.
D.I’m afraid not .