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,...
Đọc tiếp
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.
1 harmful
2 cause
3 who
4 do
5 other
6 aware
7 have
8 ?
9 by
10 no
8 ? Là sao