单项选择题

What is the premise behind a project of the Massachusetts Institute of Technology

A．Electronic ink.
B．Electronic book.
C．Laptop.
D．LCD screen.
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单项选择题
It will be a few years before we can see electronic book for sale because
A．we haven't mastered the manufacturing technology yet
B．the electronic ink which must. be conductive couldn't be produced in large scale
C．the electronic book will be too expensive to buy
D．you can't take an electronic book with you anywhere
单项选择题
According to the passage, which book is the only book you'll ever need
A．The Bible.
B．A single volume.
C．New Age tome.
D．An electronic book.
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