2022 英语周报 高三 HZ 38期答案

解得T=8T,则卫星从A点19.BD发生光电效应不需要时间积累,只要入射光的频率大于极限频率即可,故A错误;逸出功由全属材料勒第三定律自身决定,与是否有光照无关,故B正确;若滑动变阻器滑片右移,则电压表示数一定增大,光电管两端电压增大,会使到达阳极的光电子数减少,电流表示数减小,若光电管两端电压超过遏止电压,光电子不能到达阳极,电流表没有示数,故C错误;若仅增大该单色光入射的强度,由于每个光子的能量不变,因此光电子的古智动能不变,但单位时间内射出的光电子数增多,因此光电流增大,故D正确线圈1、2的运动

第三节One possaParagraph 1After Jach had been gone from the bank for a while, thearms began to ring. The police arrived at the bank vcrquickly, only to find no one there. The next day was areally special day for the town, which was filled with newspaper and TV reporters covering the strange theft. Theclerks at the bank were busy discussing the case, ofcourse, including Jack. The police could only promise tocatch the thieves as soon as possible, even though no clueshad been found vetParagraph 2But the most unlucky man was the manager of thebank. an old man. heblame and was removed from his position. At last, withJack’ s wife was savedack felt guilty about theHe could not forget what he had done to the old man. Hisguilt deepened as time went by. Finally, he turned himselfin to the police and accepted his punishment

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