Every year landslides (滑坡) cause 25 to
50 deaths and $1.5 billion in damage in the United States. They account for 15
percent of the deaths from natural disasters in Europe. And in December, a
single {{U}}event{{/U}} killed more than 200 people in the Philippines. Sending
workers to stabilize mountainsides using steel bars and cement (水泥) can help
prevent disaster, but it introduces new difficulties. Shaking drills produce
harmful dust and loosen heavy, dangerous debris (岩屑). "It’s quite a risky job,
"says Giorgio Pezzuto of D’Appolonia, an engineering company in Italy.
D’Appolonia, working with eight other companies, may have an answer: a
three-ton robot called Roboclimber. "The idea is to operate a machine far away
that can drill without a human being on board," says Pezzuto, the manager for
the project, which is supported by th
A. landslide
B. machine
C. earthquake
D. flood
更多"{{B}}C{{/B}}
Every year"的相关试题:
[单项选择]{{B}}C{{/B}}
Every year landslides (滑坡) cause 25 to
50 deaths and $1.5 billion in damage in the United States. They account for 15
percent of the deaths from natural disasters in Europe. And in December, a
single {{U}}event{{/U}} killed more than 200 people in the Philippines. Sending
workers to stabilize mountainsides using steel bars and cement (水泥) can help
prevent disaster, but it introduces new difficulties. Shaking drills produce
harmful dust and loosen heavy, dangerous debris (岩屑). "It’s quite a risky job,
"says Giorgio Pezzuto of D’Appolonia, an engineering company in Italy.
D’Appolonia, working with eight other companies, may have an answer: a
three-ton robot called Roboclimber. "The idea is to operate a machine far away
that can drill without a human being on board," says Pezzuto, the manager for
the project, which is supported by th
A. Telling people how serious the damage caused by landslides is.
B. Telling people that sending workers to stabilize mountainsides is a risky job.
C. Introducing a product that can be used to stabilize mountainsides.
D. Showing people how to use a new product.
[单项选择]Every year landslides (滑坡) cause 25 to 50 deaths and $1.5 billion in damage in the United States. They account for 15 percent of the deaths from natural disasters in Europe. And in December, a single event killed more than 200 people in the Philippines. Sending workers to stabilize mountainsides using steel bars and cement (水泥) can help prevent disaster, but it introduces new difficulties. Shaking drills produce harmful dust and loosen heavy, dangerous debris (岩屑). "It’s quite a risky job, "says Giorgio Pezzuto of D’Appolonia, an engineering company in Italy.
D’Appolonia, working with eight other companies, may have an answer: a three-ton robot called Roboclimber. "The idea is to operate a machine far away that can drill without a human being on board," says Pezzuto, the manager for the project, which is supported by the European Commission. Engineers claim that the machine will be faster and cheaper than manual labor. The robot, a large radio-controlled four-legged mechani
A. landslide
B. machine
C. earthquake
D. flood
[单项选择] {{B}}Passage One{{/B}}
This year the combined advertising
revenues of Google and Yahoo! will rival the combined primetime ad revenues of
America’s three big television networks, ABC, CBS and NBC predicts Advertising
Age. It will, says the trade magazine, represent a "watershed moment" in the
evolution of the internet as an advertising medium. A 30-second prime-time TV ad
was once considered the most effective — and the most expensive — form of
advertising. But that was before the internet got going. And this week online
advertising made another leap forward.
This latest innovation
comes from Google, which has begun testing a new auction-based service for
display advertising. Both Google and Yahoo! make most of their money from
advertising. Auctioning keyword search-terms, which deliver sponsored links to
advertisers’ websites, has proved t
A. Because more people can see the advertisement.
B. Because the service brings them more profit.
C. Because they only pay for results.
D. Because the service offer more flexibility and control.
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