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
About electronic book, which of the following statements is NOT true
A．It can contain a library of information or every title on today's best-seller list.
B．Although we know the basic technology, we can't see it for sale now.
C．The laptop needs a lot of power to keep LCD screens work, and those screens have shortcoming.
D．You can change the title and the content in the electronic book as you like.
单项选择题
What is the main difference between an electronic book and a LCD screen
A．The power they need.
B．The portability they come to.
C．The convenience they make.
D．The content they store.
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