النتائج (
العربية) 1:
[نسخ]نسخ!
These stories of killer bees in the news in recent years have attracted a lot of attention as thebees have made their way from South America to North America. Killer bees are reputad to beextremely aggressive in nature, although experts say that their aggression may have been somewhatLine inflated.(5) The killer bee is a hybrid—or combination—of the very mild European strain of honeybee andthe considerably more aggressive African bee, which was created when the African strain wasimported into Brazil in 1955. The African bees were brought into Brazil because their aggression wasconsidered an advantage: they were far more productive than their European counterparts in thatthey spent a higher percentage of their time working and continued working longer in inclement(10) weather than did the European bees.These killer bees have been known to attack humans and animáis, and some fatalities haveoccurred. Experts point out, however, that the mixed breed known as the killer bee is actually not atall as aggressive as the puré African bee. They also point out that the attacks have a chemical cause. Akiller bee stings only when it has been disturbed; it is not aggressive by nature. However, after a(15) disturbed bee stings and flies away, it leaves its stinger embedded in the victim. In the vicera attachedto the embedded stinger is the chemical isoamyl acétate, which has an odor that attracts other bees.As other bees approach the victim of the original sting, the victim tends to panic, thus disturbingother bees and causing them to sting. The new stings créate more of the chemical isoamyl acétate,which attracts more bees and increases the panic level of the victim. Killer bees tend to travel in large(20) clusters or swarms and thus respond in large numbers to the production of isoamyl acétate.10. The subject of the preceding paragraphwas most likely(A) ways of producing honey(B) stories in the media about killer bees(C) the chemical nature of killer beeattacks(D) the creation of the killer bee11. The main idea of this passage is that killerbees(A) have been in the news a lot recently(B) have been moving unexpectedlyrapidly through the Americas(C) are not as aggressive as theirreputation suggests(D) are a hybrid rather than a puré breed12. The word "inflated" in line 4 could best bereplaced by(A) exaggerated(B) blown(C) aired(D) burst13. It can be inferred from the passage that thekiller bee(A) traveled from Brazil to África in 1955(B) was a predecessor of the African bee(C) was carried from África to Brazil in1955(D) did not exist early in the twentiethcentury14. Why were African bees consideredbeneficial?(A) They produced an unusual type ofhoney.(B) They spent their time traveling.(C) They were very aggressive.(D) They hid from inclement weather.15. A "hybrid" in line 5 is(A)(B)(C)(D)a mixturea relativea predecessoran enemyGOONTOTHENEXTPAGE
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