【简答题】按照习惯规定,导体中______移动的方向为电流的方向。
【单选题】According to the passage, stress comes from______.
A.
the solution to problems
B.
the structure of our minds
D.
the meaning we give to what has happened
【单选题】Although they are twin sisters, they have nothing__________.
【单选题】Mark and Kent look the same they are twin brothers. [ ]
【单选题】______ they are twin sisters, they don't look like each other. [ ]
【简答题】按照习惯规定,导体中 定向 移动的方向为电流的方向。
【单选题】they are twin brothers, they don't look like each other.
【单选题】Strangely, the two men look ________ alike that nearly all the people think they are twin brothers. [ ]