阅读下图后回答问题：

图中符号'FU”是（）元器件。

[单选题]阅读下图后回答问题：图中，控制电路的电压为（）。A.36VB.110vC.220VD.380v

[多选题]阅读下图后回答问题：图中，按下合上刀开关QS,接通电源，按下启动按钮SBI后，以下哪些选项是正确的（）。A.线圈带电B.KM2线圈带电C.KM1常开闭

[单选题]阅读下图后回答问题：该电气控制图可以实现电动机的（）。A.点动B.正反转C.降压启动D.能耗制动

[单选题]阅读文章，回答问题。The main idea of the last paragraph is that( )A.London still keep

[单选题]阅读文章，回答问题。Which of the following best describes the relationship between Co

[单选题]阅读文章，回答问题。It can be inferred from the passage that all of the following are

[单选题]阅读文章，回答问题。Which of the following statements is true according to the text？(

[单选题]阅读文章，回答问题。One effect of the increased use of cash was that( )A.an individua

[单选题]阅读文章，回答问题。Which of the following statements about Armold Schwarzenegger is

[单选题]阅读文章，回答问题。What can be inferred from paragraph 1 about theatrical dance in t