問題詳情

With a little knowledge of basic science, you can take common household objects and use them in new and helpful ways. It seems almost like __31__. Do you know __32__ a sore throat? Sprinkle some salt into warm water and gargle this mixture. Do you have __33__ eating sour fruit like a tangerine? Warm water can also be used to take the tart flavor out of a tangerine! This is a secret that will leave your friends __34__. Heat some water to 40 degrees Celsius and pour it over the tangerine. After a few minutes, the fruit will taste much sweeter. There’s another trick involving fruit. Instead of using shoe polish to clean your leather shoes, you can use a banana peel. It’s true! You can eat the banana and use the inside of the peel to rub against your dirty shoes. Finish by polishing them with a dry cloth. The secret is __35__ banana peels contain tannin, a chemical that reacts with leather made from animal hide. These tricks are not magic; they just show the science behind the simple objects around us. Don’t save science for the laboratory! Use it everyday.
31.
(A) magician
(B) magically
(C) magic
(D) magical

參考答案

答案:C
難度:適中0.578947
統計:A(2),B(3),C(11),D(3),E(0)

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