宁波三锋教研联盟2024学年高二第一学期期中联考英语试题及答案

宁波三锋教研联盟2024学年高二第一学期期中联考英语试题及答案,答案汇总网收集关于宁波三锋教研联盟2024学年高二第一学期期中联考英语试题及答案的相关科目试卷及其答案，更多其他试卷答案请关注本网站！

书面表达One posssible versionDear Mr. Smith,I'm Li Hua, a senior 3 student. Learning that your City Culture department is looking for an English editorthis summer, I'm eager to apply for the position.As far as I'm concerned, city culture refers to a citys history, geography, customs, future, and so on. Asa native, I am quite familiar with our citys traditional culture. Besides, I have a good command of ErI' m especially good at English writing. Additionally, Im cooperative and creative, which will give me anadvantage for the position.I'll be greatly honored if I' m chosen for the job. If I'm admitted, please email me at lihua @16com.Yours sincerely,Li Hu

14.参考答案(1)20.0(1分)1.5(1分)(2)电流计内阻未知(2分(4)30(2分)3(2分)说明分析(1)电流计的最小有效分度值为1mA,经估读后示数为20.0mA。由欧姆定律得E=I(+Rg+R),则有E=30×10-3×(r+R8+17a),E=20×103×(r+R8+429),解两式得(2)在上面的计算中可以求出r+R。由于不知道电流计内阻Rn,所以无法求出电源内阻(4)结合题图丙所示的电路图,由电路规律得E=I(Rk+B)+I(R+RnR+r,整理1-最+++Ro由题图了的号一图像可计算截距为b一+士2-2A,率为上2-2Aa3120A-/g-1,解得r=39,R=30a

22.【解析】(1)p(6-)=,化简得pcsf+pine=1,2分代入可得C1的直角坐标方程为x+By-1=0C2的直角坐标方程为x2+y2=45分分cost(2)曲线C的参数方程可设为(a为参数)B设点P(2coa,sina),6分则点P到直线AB的距离d12cos0+3sina-l1=2+)1,其m-号8分所以,当sin(a+φ)=—时,d=0分