你能帮帮他们吗
精彩回答
1年前
________ is the first day of the week. [ ] A. Monday B. Saturday C. Sunday
1年前
“Never give up!” It is my law of life. It has brought me _______.
1年前
I was a student from the countryside. My teachers thought I was the 小题1:________ student.
1年前
电源内阻忽略不计.闭合电键,电压表示数为U,电流表示数为I;在滑动变阻器R1的滑片P由a端滑到b端的过程中( )
1年前