在同一幅地图上或同一等高距条件下,等高线间隔密,实地坡度();等高线间隔稀,实地坡度 发布时间:2017-11-21 04:10 │ 来源:www.tikuol.com 题型:单项选择题 问题: 在同一幅地图上或同一等高距条件下,等高线间隔密,实地坡度();等高线间隔稀,实地坡度()。A、短宽B、宽短C、缓陡D、陡缓
题型:单项选择题 完形填空 Hello! I’m Jim, I come__1__England. I__2__short, yellow hair and blue eyes. Now I’m a student of Beijing. In the morning, I __3__ at six. __4__I take a walk (散步) with my dad. At about seven, I have breakfast. Porridge __5__ my favourite. After breakfast, I go to school.I have __6__ at school. The food is very good. I have __7__ foods for lunch. Sometimes (有时) I have __8__ , meat and noodles; sometimes I have dumplings. __9__the evening, I have supper at home. I do__10__ homework before I go to bed.( )1. A. from ( )2. A. am ( )3. A. go to bed( )4. A. And ( )5. A. am ( )6. A. breakfast( )7. A. different( )8. A. rice ( )9. A. On ( )10. A. his B. to B. hasB. go homeB. Then B. is B. lunchB. same B. cokesB. In B. herC. with C. have C. go to schoolC. Or C. are C. supper C. favourite C. breads C. At C. my D. for D. want D. get up D. But D. be D. dinner D. hungry D. milks D. For D. your 查看答案
题型:单项选择题 (1)用多用电表的测电阻和电压时,下列说法中正确的是A.多用电表的欧姆挡测得白炽灯的电阻比该白炽灯在额定电压时的电阻要大B.用R×10Ω挡测电阻时如果指针偏转太小,应改用R×100Ω挡,调零后再测C.测量未知的直流电源两端电压时,应先用大量程再逐渐减小到合适的量程D.多用电表用完后,应将选择开关拨到OFF或直流电流最高挡(2)伏安法测电阻时,电流表有内、外两种接法,如图所示.若两种接法测量时电压表与电流表示数均为U和I,则甲、乙两电路的测量值均为______(用U和I表示),但真实值间的大小关系R甲______R乙(选填“>”、“=”或“<”) 查看答案