The ozone layer must be protected because it shields the Earth from excessive ultraviolet radiations.

Câu hỏi liên quan

• Identify the error in each sentence: 

  The books writing by Mark Twain are very popular in the world.

• In human beings, as in other mammal, hairs around the eyes, in ears and in the nose prevent dust, insects, and other matters from entering these organs.

• The Wright sister, owner of a bicycle shop, used a number of bicycle parts to make the original motorized plane.

ZUNIA12

• Taiwan is _____ island. It is ______ largest island of ______ Republic of China. 

• Choose the underlined part that needs correction.

  When John (A) will see his head teacher (B) tomorrow, he (C) will ask her about her (D) absence in the appointment.

• Martin was behind all the brilliant marketing schemes – he is really the ................ of the company.

• Choose the correct answer:

  These assignments ______________ tomorrow.

• A book may be evaluated by a reader or professional writer to create a book ________.

   

• Choose the best answer:

  I expected them .......................me a job.

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• Viscosity is measurement describing the relative difficulty or easy with which liquids flow.

• I prefer living in a nuclear family than a joint one.

• Did they tell you that there has in our town an excellent beach less than a mile from the campus?

• Monica was so angry about the noise that her neighbours were making that she refused to __________ it anymore. 

• Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions:

  Soon after it was born, the calf got up and tried to stand on its shaky legs.

• If a person were to look up from the bottom of a deep well, he will be able to see stars in the middle of the day.

• Thompson controlled the ball the best, kicked the ball the farthest, and ran the faster of all the players.

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

• I remember Steven was here in _____ spring of 2001, perhaps in _____ April of that year. 

• If the airplane ticket wasn’t expensive, I could fly to Singapore for my holidays.