New uses for plastics were found during the 1950’s and 1960’s in medicine, space, research, industrial, and architecture.

Câu hỏi liên quan

• Identify the one underlined word or phrase that must be changed in order for the sentence to be correct.

  At the awards banquet, the philanthropist was recognized for his generosity and careful in aiding the poor.

   

• Some trees such as the Durian need to be burned periodically so that the seeds would open and germinate.

• Six decibel, which is a unit of relative loud, is the smallest amount of change detected by the human ear.

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• In a medical study of nearly 5.000 adults, half of them were given one aspirin a day and the other half given a placebo, it was found that those taking Aspirin suffered 38 percent fewer heartbroken than those who weren’t.

• Muscles are essentially made up by elastic fibers that lend flexibility to the body.

• With .......... to the situation in Lebanon, my delegation has mixed feelings about recent developments in that country.

• The workers hope there will be a peaceful  .................. to the new system.

• As our new furniture will deliver on Monday morning, I’ll have to stay at home to check that it was not damaged during transmit.

• Identify the error in each sentence: (A) More than 180 countries (B) have Red Cross organization (C) that some (D) are called by different names.

• The Canada mint makes frequently coins from cheap alloys that are worth far less the value stamped on them.

• Choose the best answer:

  There is no point in ........half an hour early.

• You pay about $50 per person and can having dinner and breakfast there.

• The US mint makes frequently coins from cheap alloys that are worth far less the value stamped on them.

• The Irish potato famine of 1845 and 1848 were some of the worst in that country’s history and led to thousands of deaths and mass emigration.

• Some methods to prevent soil erosion are plowing parallel with the slopes of hills, to plant trees on unproductive land, and rotating crops.

• Ten decibel, which is a unit of relative loud, is the smallest amount of change detected by the human ear.

• The Youth Union in our school has decided to launch a/an  ______ to raise funds for local charities.

• Identify the error in each sentence: 

  Climbing down the tree, one of the eggs was broken so he decided to throw it away. 

• A pharmacist’s ethical standards have to be high because he is entrusted to the storage and distribution of dangerous drugs.

• Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

  ________of my friends are very good at mathematics.