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1.提示:如果是习惯用右手写字的人,选C;如果是习惯用左手写字的人,选D.2.s′=2s不变3.小汽车前挡风玻璃倾斜安装是为保证夜间行车的安全.因
1. Tip: If you are accustomed to using the right hand-written character, select C; if you are accustomed to using the left hand-written character, select D.2.s′=2s unchanged 3. The car front windshield tilt installation is to ensure that night Driving safety.