【简答题】The writer shared some of his stamps with his friends.
【判断题】水平是指线路左右两股钢轨顶面的相对高差。
【单选题】Why was the writer shocked by his student's answer?
A.
Because she is unable to describe her excursion to Europe with the right words.
B.
Because she is so rude that the writer could hardly recognize her.
C.
Because the writer cannot truly understand what his student said.
D.
Because what his student said was nothing like the writer's imagination.
【判断题】水平是指线路左右两股钢轨顶面的相对高差。
【单选题】要设置幻灯片背景为view.jpg图画,需要对幻灯片进行的操作是()
【简答题】What does the present employer of the writer think of his leaving? His present employer is helping him to find ______.