The most common form of treatment it is mass inoculation and chlorination of water sources

Câu hỏi liên quan

• By studying the fossils of pollen, which extremely resistant to decay, researchers can gain useful information about the vegetation of the past.

• It is believed that the more frequent you exercise, the greater physical endurance you will have

• Some studies show that young babies prefer the smell of milk to those of other liquids.

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• While they were away at the beach, they allowed their neighbors use their barbeque grill.

• Choose the word or phrase that can substitute for the underlined word. In Britain, the most common leisure activities are home-based.

• From now on, we’re going to study really hardly and make sure we will pass the exams.

• From archeological evidences, we know that Egyptians were highly organized and civilized. Moreover, they were skillful in using crafts.

• The very first night I was in Australia, I couldn’t have slept until early in the morning

• Mining over 2,000 years ago, copper is one of the earliest known metals.

• The bodies of cold-blooded animals have the same temperature their surroundings, but those of warm-blooded animals do not.

• Do you think what people have smoked less and less?

• With an annual income of fifty thousand dollars a year, he can afford to give a luxurious life.

• The flight was canceled_______ the weather conditions were bad.

   

• The tongue is the principle organ of taste, and is crucial for chewing, swallowed and speaking.

• The new mall shopping in the downtown area will be much more expensive for the shoppers than the mall in the freeway outside the town

• Earwax lubricators and protects the ear from foreign matter such water and insects

• Choose the word or phrase that can substitute for the underlined word:

  My other pursuits include listening to music, reading and gardening.

• On February 20th, 1962, “Friendship 7” orbiting the Earth in a manned flight that lasted just under five hours.

• Ocean currents that help transfer heat from the equator to the poles, thereby creating a more balanced global environment.

• All root vegetables grow underground, and not all vegetables that grow underground are roots.