单项选择题
Which of the following statements is NOT the advantage of E-books?()
A.They can be stored and displayed digitally.B.You can highlight a word to bring up its definition.C.They are more difficult to read.D.You can buy books in segments.
单项选择题 The word “appeal to ”in Para.4probably means“()”.
单项选择题 35()。
单项选择题 34()。