单项选择题

One fundamental flaw of e-mail phones is that people cannot use it to ______.

A．receive or send e-mails with attached files
B．receive attached files with documents
C．read attached files with graphics
D．read only messages in the form of simple text

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单项选择题

Compared with a traditional telephone, an e-mail phone probably ______.

A．has a colored screen
B．has a larger size
C．has similar key arrangement
D．does not have a receiver

单项选择题

What is the most alarming consequence of the fast growing population

A．Species are dying out at an unnatural high speed.
B．Living areas for wildlife are disappearing rapidly.
C．The global weather is becoming warmer.
D．All kinds of natural resources are draining.