Design of all the new tools and
implements is based on careful experiments with electronic instruments. First, a
human "guinea pig" is tested using a regular tool. Measurements are taken of the
amount Of work done, and the buildup of heat in the body. Twisted joints and
stretched muscles can not perform as well, it has been found, as joints and
muscles in their normal positions. The same person is then tested again, using a
tool designed according to the suggestions made by Dr. Tichauer. All these tests
have shown the great improvement of the new designs over the old.
One of the electronic instruments used by Dr. Tichauer, the myograph
(肌动记器), makes visible through electrical signals the work done by human
muscle.
Another machine measures any dangerous features of
tools, thus proving information upon which to base a new des
A. they are twisted and stretched
B. they are in their normal positions
C. they are tested with a human "guinea pig"
D. they are tested with electronic instruments
更多"Passage Four
Design of al"的相关试题:
[单项选择] Passage Four
Design of all the new tools and
implements is based on careful experiments with electronic instruments. First, a
human "guinea pig" is tested using a regular tool. Measurements are taken of the
amount Of work done, and the buildup of heat in the body. Twisted joints and
stretched muscles can not perform as well, it has been found, as joints and
muscles in their normal positions. The same person is then tested again, using a
tool designed according to the suggestions made by Dr. Tichauer. All these tests
have shown the great improvement of the new designs over the old.
One of the electronic instruments used by Dr. Tichauer, the myograph
(肌动记器), makes visible through electrical signals the work done by human
muscle.
Another machine measures any dangerous features of
tools, thus proving information upon which to base a new des
A. is able to design new tools
B. measures the amount of energy used
C. enables people to see the muscular movements
D. visualizes electrical signals
[单项选择]Design of all the new tools and implements is based on careful experiments with electronic instruments. First, a human "guinea pig" is tested using a regular tool. Measurements are taken of the amount Of work done, and the buildup of heat in the body. Twisted joints and stretched muscles can not perform as well, it has been found, as joints and muscles in their normal positions. The same person is then tested again, using a tool designed according to the suggestions made by Dr. Tichauer. All these tests have shown the great improvement of the new designs over the old.
One of the electronic instruments used by Dr. Tichauer, the myograph (肌动记器), makes visible through electrical signals the work done by human muscle.
Another machine measures any dangerous features of tools, thus proving information upon which to base a new design. One conclusion of tests made with this machine is that a tripod (三脚架) stepladder is more stable and safer to use than one with four legs.
This wo
A. they are twisted and stretched
B. they are in their normal positions
C. they are tested with a human "guinea pig"
D. they are tested with electronic instruments
[单项选择]Passage TwoA. Its reform in design. B. Its target at young people.
C. Its imaginative design and inexpensive. D. Its practical design and affordability.
[单项选择] Passage Four
Of all the problems facing modern
astronomers, perhaps the most fascinating one is "can intelligent life exist
elsewhere" Since the earth is a unimportant planet moving round an unimportant
star, it would be a pride on our part to suppose that we are the only
intelligent beings in the universe. But to obtain proof is difficult.
The main trouble is that our neighbor worlds, the bodies in the Solar
System appear to be unsuitable for advanced life forms. The Moon may be ruled
out at once; it has hardly any atmosphere. Venus is little better; the surface
temperature is extremely high and the atmosphere is mostly carbon dioxide. Mars
with a very thin atmosphere and a severe shortage of water, may well support
simple that life seems no hope of finding animals, while the alternative
Martians of the story-tellers have since been given
A. there may be other intelligent beings in the universe
B. there are other intelligent beings in the universe
C. people living on the earth are almost certainly the only intelligent beings in the universe
D. people living on the earth are definitely the only intelligent beings in the universe
[单项选择] Passage Four
Internet shopping is a new way of
shopping. Nowadays, you can shop for just about anything from your armchair. All
you need is a computer which is linked to the Internet. Shopping on the Internet
is becoming increasingly popular. In the United States. people spent over US$2.5
billion on Internet shopping in 1998. This figure is expected to reach USS11
billion by the year 2004.
People can shop for a variety of
products on the Internet. Physical products include items such as books, CDs,
clothes and foods. These types of products are the most common purchases through
the Internet. You can also buy information products such as on-line news or
magazine stories, or you can download computer software through the Internet.
Services such as booking airline tickets, reserving hotels or renting cars are
also available on the Internet. Yo
A. the speed the goods are delivered at
B. the reasonable price
C. the quality of tile goods
D. the convenience it brings to you
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