“在预览窗格中显示预览句柄”在（）中进行设置。
A.性能信息和工具
B.文件夹选项
C.引索选项
D.管理工具
参考答案：B
I didn't buy the coat you suggested to me in the department store as it's _____ expensive.[ ]
A. far too much
B. far too
C. too much
D. very much
水泵的允许吸上真空高度是通过实验得到的，实验条件要求水温为（）。
A、20℃
B、25℃
C、30℃
D、40℃
