2022 英语周报 八年级 新目标YND 12答案

【语篇类型】记叙文【主题语境】人与自我—一团队合作【文章大意】小男孩Jos一家靠捕鱼为生。因为喜欢足球,小男孩无心帮助捎鱼,爷爷的一番话让他明白一家人捕鱼和足球运动样,只有团结合作才能成功。【写作指导] anagraph1的段首句是"当Jos进来时,爷爷拾头看着他,然后示意他过来",再结合续写笫二段的段首句可知,续写第投主要围绕爷爷把№s叫过去后和他谶话的内容以及Js对这些活的反应为主裉 Paragraph2的段首句中的" a family is like soccer"以及"worktogether"可知,Jos意识到无论是踢足球还是一个家庭都霄要团结协作的精神,故本段应围绕他思想和行动的转变展开。One possible versionParagraphGrandpa looked up at Jose when he entered, and then signalled to hito come over. As Jose approached him, Grandpa smiled, and then hisfingers went back to work. "In some ways, Jose, a family is like a fishingnet,Grandpa said as he wove strings of rope together to repair the brokelinks. "The strength of the whole depends on the strength of each linkJose knew he had let them down when he had run off after the net broketoday. It reminded Jose of what the coach had been saying aboutParagraph 2Grandpa, I guess a family is like soccer, too. Eneryone needs to worktogether to succeed, "Jase said. "I'm sorry about today. " Grandpa pattehim on the hack affectionately. then Jose ran to help grandpa fold thefishing net. The next day, Jose got up earlier than usual and fed Felix andPedro. On the beach, Jose grabbed the net and look his step steadily,moving al the pace of others. "How is your soccer practice going? " hissister came, asking. "So-so. But I would behave better today, "Josereplied, with a knowing smile. He was sure of it.

所以;L-φ-φ-4V,根据匀强电场的特点,结合OC是直径可知Uw=Ux=4V,所以:φ:=φ+U=4V,粒子由A→B,根据动能定理得:WAmn一E=4cV,所以:m=W-4c=4V,所以:9”=0,则U=9:-w=8V,tm=n-=4V,故选项A错误,B正确,由于o=0,所以()与B是等势点,连接OB.则OB为匀强电场的等势面,过A点作(B的垂线交(B于D点,则AD的方向就是电均的电场强度方向,如图所示。(点是四心,由几何关系可知∠ABO=∠BAC=63.5°,所以:∠AOB=180°-∠AB0-∠BAC=53°,所以:1=Rin53004m,由于ODB是等势面,所以:E=,=4Vm=100Vm,故C错误,=4V0.04所以粒子在A点的电势能:E1(=c=4eV,粒子的总能量:E=E+E1=12eV,MERsin53°4解得最高电势φ·5V·最大电势能Em=5cV,因总能量E·12cV,所以动能E=7cV,故选项D正确答案:BD

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