选择括号内恰当的单词或词组填入空白处，使句意完整、正确。

小题1:— Where is Fujian?

— It’s in the _____________ (southeast, northwest) of China.

小题2:— You are always _____________ (careless, careful). I think you can pass the exam.

— I hope so.

小题3:— Do you often do anything to_____________ (protect, pollute) the environment?

— Yes. I’m a greener person.

小题4:— Did you take any photos yesterday?

— No. I forgot to take a ___________(camel, camera) with me.

小题5:—What do you think of the food?

—It ____________(tastes/ looks) delicious.

在Excel中，能将选定列隐藏的操作是（）。

A.选择“格式”菜单的“列”，再单击“隐藏”命令

B.将列标题之间的分隔线向左拖动，直至该列变窄看不见为止

C.在“列宽”对话框中设置列宽度为0

D.以上选项完全正确