A.will bother a viewer
B.create a sense of boredom inside a viewer
C.present the depth of nature
D.are often skimmed offby some viewers
A.appreciation
B.objectivity
C.criticism
D.indifference
A.It taught students how to use scanners and other multimedia devices.
B.It had students build a database of pictures of their grandparents.
C.It had students write about American history.
D.It encouraged students to write stories about local history.