单项选择题

Silver is the best conductor of electricity, copper ______ it closely.

A．followed
B．following
C．to follow
D．being followed

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单项选择题

Contents page, chapter headings and index are important for a reader to start his reading with because（）

A．they cover major points of the book in detail
B．they may help reader to better understand the book
C．they can take readers a lot of time to read every part of the book
D．they may help the readers find the important parts of the book

单项选择题

The passage is mainly about（）

A．the importance of reading
B．the effective ways of reading
C．the difficulties in reading
D．the incorrect habits of reading