Students across China, studying in the fields of engineering, science and technology, are developing a
range of inventions that they hope will one day be marketable. Here are three examples from the minds of
these inventors.
Foot-controlled mouse is a new kind of mouse. It is controlled by the feet instead of the hands, to help
the disabled when they surf the Internet. It looks like a pair of blue slippers. When users press the slippers with their forefeet, they are clicking the left mouse button; when people press with their heels, they are
clicking the right mouse button; when they roll their feet over the slippers, they can view web pages.
Dirty water filter(过滤器) can make dirty water drinkable, which is a good way to solve the lack of
water and also does good to the environment. There are two main parts: the drive zone to pump water
and the material zone to reduce harmful things. Rain and fish tank water can be cleaned in the material
zone. Someone told us that water was sent by air to Wenchuan. If they had sent water-purifying plant
instead, people could have had more water after the earthquake.
Transformer car is named Tranfus. By changing the size of tyres and the structure of a car, it can
become a motorbike or a luggage carrier. The name Tranfus is short for "transforming for us" . Tranfus
can change into a luggage carrier, and users could walk with it. But its inventor doesn't think Tranfus will
be on the market soon as some companies like it, but none are willing to invest.
1. Who will be most likely to use the foot-controlled mouse?
A. Those who are lazy.
B. Those who are left-handed.
C. Those who have disability in hands.
D. Those who are poor in study.
2. According to the passage we can infer the dirty water filter _____________.
A. has been on the market
B. is popular with young people
C. is only designed for the people in the earthquake
D. can be useful when some kinds of natural disasters happen
3. Tranfus can't be on the market soon because ______________.
A. there are no companies showing interest in it
B. there are no companies offering to invest in it
C. it is only a crazy idea and has no scientific theory to support it
D. it is too small to be a car and too big to be a luggage carrier