7（）

单项选择题The last sentence in the last paragraph implies that readers can （）

A．find entertainment and information in a library
B．read both novels and short stories in a bookstore
C．enjoy concerts and films in a theater
D．attend many lectures at colleges

单项选择题Motion pictures （）

A．cause inertia of the eye
B．show a succession of unrelated movement
C．show consecutive phases of movement which appear continuous
D．show each phase of movement for one-half of a second