2022 英语周报 高一 外研 38答案

1.C【解析】物体的重心不一定在物体上,比如质量分布均匀的圆环的重心就在圆心上,而不在圆环上,A项错误;物体受到重力作用与运动状态无关,B项错误;重力与质量有关,在地面上同一地点,质量大的物体受到的重力大,C项正确;拉力是弹力,由于绳子形变产生,与重力本质不同,D项错误

四、短文改错(共10小题,1分题,满分10分)Lucy, the Sth grader, has a love of writing letters. She wrote to her mailman to express herthanks m last week. "Doug, you may know me as a person who wrote lots of letters andwritesdecorates the envelopes too. I want A thank you for taking my letters and delivering it. Imakethempeople happily with my letters, but you do too, "Lucy wrotehappyanche next day, Lucy got a letter from Doug thanking her for recognizing which he had donehatand the importances of his job. Feeling moved and inspiring, Doug shared Lucys letter online. ItImportanceinspiredreceived more than 200 000 likes

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