全国名校联考2022届高三第五次联考试卷QG英语答案

全国名校联考2022届高三第五次联考试卷QG英语答案，目前我们趣对答案已经整理了全国名校联考2022届高三第五次联考试卷QG英语答案的各科答案和试卷，更多试卷答案请关注本趣对答案。

会宝解析拉中心3分)(1)正电子在电场中做类平抛运动,轨迹如图,由类平抛运动规律有①(1分)y/cm10=at②(1分)由牛顿第二定律有a=B③(1分联立①②③可得yEe代入数据得y≈0.011m⑤(1分)因此射出电场时的y轴坐标值为5cm+0.011m=6.1cm⑥(1分)(2)设正电子射出电场时速度与x轴正方向的夹角为a,则设正电子在荧光屏的落点与荧光屏的左端距离为x’,如图,根据几何关系,有tana⑧(1分)联立①②③⑦8得x≈0.177m⑨(1分故正电子在x方向运动的总位移s=x+x′=0.277m(1分)正电子在x轴方向做速度为的匀速直线运动,运动总时间0.2772.0×103s≈1.4×10(2分)

第四部分写作第一节短文改错(共10小题;每小题1分,满分10分Last summer vacation, I work in a printing shop. That was my first job and it was a good chance for me to gain experienees. SoI took them seriously. At A beginning, the boss let me in do the cleaning work, which made me feel losing. Because I have preparedto learn how to do the print work when others used the machine. i ally, when the boss taught me to use the machine, I learned veryLalerquickly. Though i did not get much salary, I felt so proud it: myself, because I enhanced not only my self-worth and ability