Câu hỏi:
10/08/2023 5,531Read the following passage and mark the letter A, B, C, or D to indicate the correct answer that best fits each of the numbered blanks.
While Morgan was running his businesses he was also working on inventions. In 1914 he patented a device that he (21) _____________ the Morgan safety hood and smoke protector. A patent is an official document that gives an inventor control over (22) _____________ may use their invention. The safety hood was an early gas mask. A gas mask allows people to breathe in (23) _____________ where there is a lot of smoke or dangerous chemicals in the air. In 1916 an explosion trapped some workers in a gas-filled tunnel under Lake Erie. Morgan attracted (24) _____________ attention when he used the safety hood to rescue some of the workers. In 1923 Morgan patented another safety invention. This was a T-shaped traffic signal. It (25) _____________ moving arms that told traffic when to stop and go. It was not the first traffic signal, but it controlled traffic better than many existing signals.
Morgan died on August 27,1963, in Cleveland. After his death several schools were named for him.
(From "Morgan, Garrett." Britannica Elementary Library - Encyclopaedia Britannica)
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CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
We're good friends. We _____________ each other for a long time.
Câu 2:
Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of primary stress in each of the following questions.
Câu 3:
According to the passage, what is probably true about the south of France?
Câu 4:
Could you please turn off _____________ oven? The potatoes are going to be burned.
Câu 5:
My granddad used to be a _____________ smoker but he gave it up years ago.
Câu 6:
I was not aware of what was happening after I tripped and knocked my head against the table.
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