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[主观题]
The Shot Spotter has helped police __. A．a little bit B．cut down the use of weapons C．tr
emendously D．solve all the shootings
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更多“The Shot Spotter has helped po…”相关的问题
The trick in food photography is to show the food looking fresh， so many dishes have
stand-ins， just as movie stars do. “When I get my lights and cameras set up， I remove the
stand-in and put in the real thing，” explains Ray Webber， who photographs food for magazine
advertisements. “Sometimes I have to brush the meat with its juices because it may have dried out
a bit. A and when I‘m shooting (拍照) something like tomatoes， I always carry water to spray them with dew just before I shoot.”
Shooting food outdoors has special problems. “I‘m always worrying about flies or worms crawling up
a glass，” Webber explains， “my worry is that someday a dog will come up from behind and run off
with the food.” Once Webber was shooting a piece of cheese outdoors and needed something to make
its color beautiful. Finally he found it： a weed with lovely blue flowers. When the shot appeared，
several people were horrified-the weed was deadly nightshade!
Just before being photographed， some meats and vegetables are _______.
A. fanned
B. dyed
C. frozen
D. made wet
As environmentalists convene in Rio de Janeiro this week to ponder the global climate of the future, earth scientists are in the midst of a revolution in understanding how climate has changed in the past-and how those changes have transformed human existence. Researchers have begun to piece together an illuminating picture of the powerful geological and astronomical forces that have combined to change the planet&39;s environment from hot to cold, wet to dry and back again over a time period stretching back hundreds of millions of years.
Most important. scientists are beginning to realize that the climatic changes have bad a major impact on the evolution of the human species. New research now suggests that climate shifts have played a key role in nearly every significant turning point in human evolution: from the dawn of primates(灵长目动物) some 65 million years ago to human ancestors rising up to walk on two legs. from the huge expansion of the human brain to the rise of agriculture. Indeed, the human history has not been merely touched by global climate change, some scientists argue, it has in some instances been driven by it.
The new research has profound implications for the environment summit in Rio. Among other things, the findings demonstrate that dramatic climate change is nothing new for planet Earth. The benign(宜人的) global environment that has existed over the past 10,000 years-during which agriculture. writing, cities and most other features of civilization appeared-is a mere bright spot in a much larger pattern of widely varying climate over the ages. In fact, the pattern of climate change in the past reveals that Earth&39;s climate will almost certainly go through dramatic changes in the future-even without the influence of human activity.
测试题
Farming emerged as a survival strategy because man had been obliged__________．
A.to give up his former way of life
B.to leave the coastal areas
C.to follow the ever-shifting vegetation
D.to abandon his original settlement
The Grand Prairie Area Demonstration Project seemed, at first, a fine idea. The Grand Prairie is the fourth-largest rice-bowl in the world, with 363,000 acres under paddies. But it is running out of water, with farmers driving wells deeper and deeper into the underlying aquifer. The new project, dreamed up around a decade ago, would tap excess water from the White river when it floods and pumps it, at the rate of about one billion gallons a day, to storage tanks on around 1000 rice farms.
Unfortunately, it would also divert water from the region's huge, swampy wildlife refuges, home to black bears and alligators and the pallid sturgeon. Tiny swamp towns like Clarendon and Brinkley, which are heavily black and almost destitute, rely on nature tourism for the little economic activity they have. In Brinkley, the barber offers an "ivorybill" haircut that makes you look like one.
The project has some powerful local backers. They include Blanche Lincoln, the state's senior senator, who grew up on a rice farm in Helena, and Dale Bumpers, a former four-term senator and governor of Arkansas. Mr. Bumpers, long an icon of the environmental movement and prominent in the efforts to establish the refuges, now believes the water project is important for national security in food and trade, and that it will not damage the forests he has worked to protect.
Opponents worry that the project, apart from its environmental risks, will overwhelm the innovative water conservation methods that rice-farmers are already using, and give the biggest water users an unfair advantage. They also object that it means using subsidised pumps to provide subsidised water for a crop that doesn't pay. Rice is one of the most heavily assisted crops in America; rice payments cost taxpayers almost $10 billion between 1995 and 2004, and rich farmers round Stuttgart in Arkansas County (an efficient and politically shrewd group) took in $21.2m in subsidies in 2004 alone.
It can be inferred from the first paragraph that ______.
A．an ivory-billed woodpecker was shot by a lone kayaker two years ago.
B．the ivory-billed woodpecker was accustomed to living among cypress trees.
C．the irrigation project is probably broken off by the ivory-billed woodpecker.
D．the appearance of the ivory-billed woodpecker may make the irrigation project terminated.
How many students were shot dead in 1997 in US schools？
A. 10
B. 9
C. 12
D. 22
