皮皮学，免费搜题
登录
搜题
【判断题】
三相半波可控整流电路带大电感负载时,晶闸管承受的最大正反向电压均为变压器二次侧线电压的峰值。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【判断题】When the guests arrive at the restaurant, the waiter or waitress might ask "Do you have the reservation?".
A.
正确
B.
错误
【简答题】半锥角为α的圆锥形封头,在半径为R处的第一、第二主曲率半径分别为A. ∞、RB. R、∞C. R、R/cosαD. ∞、R/cosα
【单选题】When the waiter ask the guest whether he or she make any orders, the waiter could ask:________
A.
Would you like some vegetables for your lunch?
B.
Are you ready to order now?
C.
Hope you enjoy your meal.
D.
You have order......Am I correct?
【单选题】When the waiter or ____ gives you the menu, you have to make some decisions.
A.
separate
B.
waitress
C.
charge
D.
pick… up
E.
reservation
相关题目：