2023年6月英语六级阅读理解模拟真题库及答案（9）

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　　2023年6月英语六级阅读理解模拟真题库及答案（9）

　　The government-run command post in T unis is staffed a「ound the clock by military personnel, meteorologists and civiliasn On the wall are maps, crissc rossed with brightly colors atTows that painstakingly track the feat-some path of the enemy

　　What kind of invader gives rise to such hig h-level monitoring? Not man, not beast, but the lowly desert locust. (蝗虫) In recent months, b心 o ns of the 3-i nch-long winged warriors have descended on Algeria , Libya, Morocco and Tuni sia, blackening the sky and eating up erops and vegetation. The inseet invasion, the worst in 30 years, is already ereating great destruetion in the Middle East and is now treating southern Europe. The current crisis began in late 1985 near the Red Sea. Unusually rainy weather moistened the sa nds of the Sudan, ma 灼 ng them ideal breeding grounds for the locust, which lays its eggs in the eart h T he inseet onslaught threatens to ereate yet another African famine. E.aeh loeust ean eat its weight (not quite a tenth of an ounee) in vege tatio n every 24 hours. A good-size s warm of 50 billion inseets eats up 100,000 tons of grass, trees and crops in a single night .

　　All $ 150 叫 lio n may be needed this year. The U.S. has provided two spraying planes and about 50,000 gal. of pesticide The European Community has donated $ 3.8 million in aid and the Soviet Union, Ca nada , Jap an and China have provided e hemicaJ-spra ying aireraft to help wipe out the pests. But relief efforts are hampered by the relative 皿 ldness of approved

　　pestieides, whieh quiekly lose their deadly puneh and require frequent replieations. T he most effeetive loeust killer dieldrin has

　　been linked to ca ncer and is banned by many We 如 tern countries and some of the affected Afriean nations. More then 5 million acres have been dusted with locust-killing chemicals; another 5 million will be treated by the end of June.

　　On May 30, representatives of Tunisia, Algeria, Libya, Morocco and Mauritania will meet in Algiers to discuss tactics to wipe out the ravenous swarms. The move is an important s tep, but whatever plan is devised, the locust plague promised to get worse before the insects can be brought under control.

　　I.The main idea of the first sentence in the passage is that_ A.the command post is stationed with people all the time.

　　B.the command post is crowed with people all the time C.there are clocks around the command post.

　　D.the clock in the command post is taken care of by the staff.

　　2. The favorable breeding ground for the locust is — ·

　　A. rich soil.

　　B. wet land

　　C. paces covered crops and vegetation D.the Red Sea

　　3. People are alert at the threat of the locust b 忱 ause — · A.the insects are likely to create another African famine. B.the insects may blacked the sky.

　　C.the number of the insects increases drastically. D.the insects are gathering and moving in great speed

　　4. Which of the following is tlue?

　　A.Once the pesticides are used, locust wilJ d 比 i mmediately

　　B .Relief efforts are proved most fruitful due to the effective ness of certain pesticides.

　　C.Die ldrin, the most effective locust killer, has been widely accepted in many countries.

　　D.Over JO million acres of affected area will have been trcated with locust如 Uing c he micals by the cnd of Junc.

　　5 The purpose for affected nations to meet in Algiers on May 30 is — ·

　　A. to devisc antilocust plans.

　　B. to wipe out the sw打 ms in two ye,trs.

　　C. to call out for additional financial aid from other nations. D.to bring thc insects under control beforc the plague gets worse.

　　答案： BBADA

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