Heavy downpours last month in Rhode Island
时间:2024-04-24 02:24:24 栏目:学习方法
题目内容:
Heavy downpours last month in Rhode Island led to widespread flooding, causing millions of dollars in property damage and leaving thousands homeless. The flood waters also poured vast amounts of raw sewage(未经净化的污水) into the rivers and streams that flow into Narragansett Bay.
It sounds like the makings of an environmental nightmare. But in fact it’s just the opposite. To scientists’ delight. The sewage-loaded floodwaters have caused a well-timed growth of phytoplankton. The microscopic creatures that form the foundation of marine(海洋的) food chains. With more food available for fish. Clams and other sea creatures. The bay’s fisheries industry is expected to benefit.
In decades past. Narragansett Bay typically experienced a late winter early spring algal(海藻) bloom that fed creatures up and down the water column. But in recent years, the waters of Narragansen Bay warmed greatly, meriting this seasonal event.
Mark Berman, an oceanographer with the Nationa. Marine Fishertes Service. Said the flood seemed to have sent the bay back in its normal state.
However, local, mutate and federal officials in Rhode Island leave been batting other algal blooms that, by contrast, are causing widespread harm to the Narragansett Bay ecosystem. During summer months, sewage and agricultural runnel flows into the bay. Causing large blooms. But inseam of becoming food for sea creatures, much of the phytoplankton is consumed by bacteria, which grow last in the warmer waters. The rapid bacteria growth leads to hypoxia decrease of oxygen in the water that can cause large fish tools. One such die-off occurred in 2003. when millions of oxygen-starved fish washed up on the belches of Narragansett Bay.
The flood’s positive impact will probably be a one-time event, Mr Berman said. Mcanwhile efforts to curb the harmhl summer honors continue; in 2003. for instance, Providence completed a $359 million sewage tonal under the city designated to reduce the polluted storm overflow into Narragansett Bay.
71.Scientists believe that the row sewage flowing into the bay will .
A.pollute the island’s environ mean
B.cause lots of property damage
C.increase the fisheries production
D.destroy the food chains in the bay
72.The potential benefit of fisherics industry rclics on the .
A.warm temperatures of the bay.
B.growth of phytoplankton
C.large summer alga blooms
D.consumption of oxygen by beaters
73.People struggle against the summer blooms because they will .
A.pollute the local natural environment
B.increase the prcducmon of fishery industry
C.cause large fish kills of the bay indirectly
D.provide too much food ior sea creatures
74.It can be inferred that .
A.money spent on the summer blooms has been wasted
B.the government is inverting to promote the local fisheries
C.research of accanology should he encouraged
D.she raw sewage impacts are currently con radiator
75.The underlined word “carb” n the hast postage can be defined as “ ”.
A.control
B.consume
C.cause
D.cure
最佳答案:
71—75CBCDA
答案解析:
略
考点核心:
人物传记类文章的文体特征:
人物传记是记叙文体的一种,主要描写某人的生平事迹、趣闻轶事、生活背景、个性特征、成长奋斗历程等,包含记叙文的时间、地点、人物、事件等要素。其特点是以时间的先后或事件的发展为主线,空间或逻辑线索贯穿文章始终,脉络清楚,可读性较强。
版权声明:
1、本文系转载,版权归原作者所有,旨在传递信息,不代表看本站的观点和立场。
2、本站仅提供信息发布平台,不承担相关法律责任。
3、若侵犯您的版权或隐私,请联系本站管理员删除。
4、本文由会员转载自互联网,如果您是文章原创作者,请联系本站注明您的版权信息。