--- I am interested in that beautiful bag. What do you charge for it? --- $ 120. --- ______ , but I

题干

--- I am interested in that beautiful bag. What do you charge for it?
--- $ 120.
--- ______ , but I can’t afford it.

A：It is worth that

B：It is really nice

C：Please lower the price

D：That is too dear

上一题下一题 0.0难度选择题更新时间:2018-08-17 01:32:55

A

如图所示是带有水温调节功能的家庭水族箱．该水族箱的鱼缸水温调节器铭牌如表所示．其工作原理如图，R₁为阻值可调的电热丝，开关S₂为单刀双掷开关．开关S₁闭合、S₂接b时，电路处于加热状态；当开关S₁闭合、S₂接a时，电路处于保温状态．（不考虑温度对电阻的影响）试问：