Fill each blank in the following passage with ONE suitable word.
Write your answers in the spaces given. (15 pts)
The mosquito is an insect that --(1)-- some of the worst diseases of man and animals. Certain kinds of mosquitoes carry the germs that cause --(2)-- serious diseases as malaria, --(3)-- yellow fever. When a mosquito “bites”, it may leave germs --(4)--. Many kinds of mosquitoes do not spread diseases, but they have --(5)-- “bites”.
Mosquitoes are found in all parts of the world, --(6)-- near the North Pole. Most kinds of mosquitoes that carry diseases live in the hot, damp lands near the Equator. --(7)-- some countries, mosquitoes often gather in great swarms that look like clouds. They --(8)-- men, interfering with such work as fishing, lumbering, and mining.
Man controls mosquitoes in many --(9)--. Scientists have developed chemicals --(10)-- insecticides, which kill mosquitoes and other insects. Small amounts of these chemicals kill mosquitoes --(11)-- sprayed in home, garages where they grow. Mosquitoes --(12)-- their eggs in marshes, swamps and other pools of quiet --(13)--. Engineers may build canals through marshes --(14)-- drain off the water, and often fill small pools and swamps --(15)-- soil.
Tham khảo
The mosquito is an insect that speards some of the worst diseases of man and animals. Certain kinds of mosquitoes carry the germs that cause such serious diseases as malaria, and yellow fever. When a mosquito“bites”, it may leave germs behind. Many kinds of mosquitoes do not spreaddiseases, but they have painful “bites”.Mosquitoes are found in all parts of the world, even near the NorthPole. Most kinds of mosquitoes that carry diseases live in the hot, damplands near the Equator. In some countries, mosquitoes often gather in
great swarms that look like clouds. They attack men, interfering with suchwork as fishing, lumbering, and mining.Man controls mosquitoes in many ways. Scientists have developed chemicals called insecticides, which kill mosquitoes and other insects.Small amounts of these chemicals kill mosquitoes when sprayed in home,garages where they grow. Mosquitoes lay their eggs in marshes, swampsand other pools of quiet water. Engineers may build canals throughmarshes to drain off the water, and often fill small pools and swamps with soil.