题目内容
locusts (蝗虫) that are traveling across the continent eating everything in their path. And now in the battle to
stop this disaster, a radio station in Senegal, West Africa, is offering listeners 50 kilograms of rice if they can
catch and kill 50 kilograms of locusts. "We think this idea will get more people to take part in the war on the
locusts," said Abdoulaye Ba, from Sud-Fm, a radio station in one of Senegal's worst affected area
This is West Africa's biggest locust disaster in 15 years, and it is moving east, causing huge damage to
crops. As they move they produce young and increase their number and will soon threaten (威胁) Sudan in the
northeast of Africa. Some say it could reach Asia. Experts say the harmful effect on crops in areas already
suf-fering from food shortage and war could cause many people to go hungry. Governments in the areas are
not well equipped to fight the pest.
Although leaders of 12 countries have agreed on a plan, it is not expected to be enough.
"We are now treating 6,000 hectares (公顷) per day with pesticide (杀虫剂
hectares per day in order to have any hope of controlling this disaster," said Mohamed Abdallahi Ould Babah,
director of locust control in Mauritania.
Requests are being made for international aid, which is the only way to limit the disaster, the UN's Food
and Agricul-ture Organization warned.
B. suggested the great damage that locusts can cause
C. warned that locusts would sweep the continent like rain clouds
D. both A and B
B. the difficulty in controlling locusts
C. how locusts caused great damage to West Africa
D. a struggle to fight against a disaster brought by locusts in West Africa
B. is (was)out of control
C. affected only the warning areas
D. can not be stopped unless twice as much pesticide is provided for the affected areas
B. Senegal is to the southwest of Sudan.
C. The locusts can cause such damage mainly because it has no natural enemy in West Africa.
D. 12 countries affected by locusts have united but still lack pesticide.

|
|