单项选择题

At the end of the passage the author seems to suggest that life in future is ______

A．disastrous.
B．unpredictable.
C．exciting.
D．colorful.
<上一题 目录 下一题>
热门 试题

单项选择题
Which of the following is not true about the silicon chip
A．It has appeared since 1960.
B．It is an electronic brain and can store a lot of information.
C．It is a chip of silicon crystal and is very small.
D．It becomes cleverer and more expensive every year.
单项选择题
The stone chip is thought to be the most important tool because it______.
A．was one of the first tools.
B．developed human capabilities.
C．led to the invention of machines.
D．was crucial to the development of mankin
相关试题