2022-2023学年河南省三门峡市高一（下）期末英语试卷

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1、2022-2023学年河南省三门峡市高一（下）期末英语试卷一、阅读理解（本大题共15小题，共30.0分）AThe harvest season falls at different times of the year depending on region and climate，but festivals celebrating its arrival are held all over the world Some are the start of the season and the fist crops，while other are celebrations to give than

2、ks for the blessing of a harvest. Rice Harvest Festival （May June） The harvest festival is dedicated to Dewi Sni-the goddess of rice and fertility（丰产） celebrated by the people of Bali，Indonesia. Mid-Autumn Festival （September October） Mooncakes and tea are served on Chinese Mid-Autumn Festival.Mid-A

3、utumn Festival is also known as the Moon Festival，because it coincides with the full moon on the 15th day of the eighth lunar month.It is also a time of family gatherings. Yam Festival （August or September） Men are carrying yams（山药） at the Yam Festival on the Trobriand Islands，Papua NewGuinea.The pe

4、ople there celebrate the end of the rainy season and the first appearance of yams. Sukkoth （September October） Jewish people decorate the family Sukkah for the Jewish festival of Sukkot.A Sukkah is a temporary building where meals are taken for the week.The 8-day festival gives thanks to the harvest

5、. Pongal （January） The 4-day festival of Pongal is a celebration of the rice harvest period.Held after the winter solstice（冬至），it celebrates the return of longer days of life-giving sunlight.Its name comes from a Tamil word，meaning to boil，and is also the name given to a rice dish that is prepared d

6、uring this time.1. Which festivals are related to rice？ _ A. Yam Festival and Sukkoth.B. Mid-Autumn Festival and Yam Festival.C. Rice Harvest Festival and Mid-Autumn Festival.D. Pongal and Rice Harvest Festival.2. What can you enjoy if you visit China during the Mid-Autumn Festival？ _ A. Mooncakes.B. Dumplings.C. Sweet dumplings.D. Zongzi.3. What will the Jewish people prepare for Sukkoth？ _ A. Rice dishes.B. Special

14.(14分)回旋加速器的D形盒的工作原理示意图如图所示,两盒间的狭缝很小,粒子穿过的时间忽略不计。已知垂直盒面的匀强磁场的磁感应强度大小为B,D形粒f,U盒的半径为r,高频电源的频率为f,两盒间电压为U。若A处的粒子源发出一个形盒的半径带电荷量为q的粒子(初速度的大小可忽略),粒子经过电场加速后进入磁场,在磁场中做圆周运动,然后再次经过狭缝被电场加磁速,再进入磁场,直到最后从D形盒出口飞出。n=Ern)a(1)求粒子从D形盒出口飞出时的速度大小和粒子在D形盒中被加速的次数。(2)若匀强磁场的磁感应强度大小变为原来的二分之一,同时改变电源的频率f,求该粒子从D形盒出口飞出时的动能。&81Fx=1&2×22&=27Bn92m²D2UD1

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