当受到挫折时,不应采取的措施是 ( )
A:向朋友征求意见
B:向家长诉说,寻求帮助
C:向老师讲述,得到帮助
D:保持沉默或借酒消愁
下列对光现象描述的说法不正确的是( )
下列图象关系合理的是( )
We have been in the school ______ three years ago and Mrs. Lee Has taught us English_______ three years.