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【简答题】

Fill in each blank with an appropriate article (including ZERO, 零冠词用 0 表示): They told me that they had _____ respect for their employer. Benita enjoys wearing ______jewelry. This is the first time that the child has seen ______ elephent. Her teacher was born in _____town of Williamson. For many people, _____childhood was a happy time. She said the stories he told her were about the years he had worked in _____country of Australia. It takes _____ courage to begin a new life in a strange country. Have you finished_____ Chapter Eight of the novel that we are reading in our class this month? Can you lend me _____ pencil so that I can finish the test? She is wearing ______ beautiful dress her mother bought her. I had trouble with ______ car this morning. _____ healthy society can tolerate a lot of criticism. The cars in that garage belong to _____ girls who live next door. At home, Miles Davis will play _____ piano every night. Man has just taken his first steps into _____ space. I love mountains, but I hate _____ sea. If you go by _____train, you can have quite a comfortable journey, but make sure that you get on an express, not a train that stops at all the stations. Peter's at ____ office, but you could get him on the phone. There's a telephone box just round the corner. You can fool some of the people all the time, and all ____people some of the time, but you cannot fool all the people all the time. In ____ cold climate, we were clothes made of wool or fur.

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刷刷题刷刷变学霸
举一反三

【单选题】用NA表示阿伏加德罗常数的值.下列叙述正确的是(  )

A.
在2升2mol/L的(NH4)2SO4溶液中所含的NH4+的数目是8NA
B.
常温常压下,2molCaC2晶体中含有的阴离子数为2NA
C.
14gN2和CO的混合气体含有的分子数目为0.5NA
D.
标准状况下,11.2L庚烷完全燃烧后生成的CO2分子数为3.5NA