如果一个圆锥的体积是1dm3,和它等底等高的圆柱体的体积是3dm3.______.
1×3=3(立方分米),
答:圆柱的体积是3dm3;
故答案为:√.
直接耦合放大电路就是把第一级的输出直接加到第二级的()端进行放大的电路。
A、输入
B、输出
C、接线
D、发讯
They suggested that the professor just now should be made chairman of the meeting.
A.referring to
B.referring
C.referred to
D.referred