2022英语周报仿真试题三答案

读后续写The man wus surprised. He was touched byAshwin's conscience and said he wanted to meet his family. Ashwin took the man home and introduced him to hisfamily. The man looked at the poor condition of Ashwin'shouse and his children and told Ashwin that he would liketo help his family, Ashwin refused, but the man was insistent and said. "I would like to take the responsibility foreducating your children. "Ashwin could not refuse the assistance since he wanted the children to become someoneimportant. He agreed to send them to the city.Ashwin's children then got educated and did well.Each vacation they went home to visit their parents. Ashwin often reminded them, "Never do anything at the costI someone else. "The children remembered the advice andfollowed it. Ycars later. they became suceessful. Whenthe poor man's children had children of their own, they of-ten told them the story about the small bag with 50 goldcOIns

14.(1)B(1分)(2)5.0(或5,1分)10(1分)(3)3l4(1分)43(分÷32(2分)【解析】(1)为了保证电路安全,闭合开关S前电阻箱R2接入电路的阻值应为电阻箱的最大阻值,电阻箱R2应调到最大值,B项正确。(2)由图乙可知,电阻箱R1的示数为0×1000 0109 5×19 0×0.10=5,0Q。根据并联电路的电压相等可得1Rn=LR,所以R2=2R1105(3)改装后的电流表的量程为原来的3倍,即为3I。4)根据闭合电路欧姆定律得E=3IR 3I(r R其中RA=R,得到IR=E-I(r RA),就所以U。=,=R,解得E=3U,万3R

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