题干

下列说法中正确的有(   )个

⑴一条射线上只有一个点,一条线段上有两个点;

⑵一条射线把一个角分成两个角,这条射线叫这个角的平分线;

⑶连结两点的线段叫做两点之间的距离;

⑷20°50ˊ=20.5°;

⑸互余且相等的两个角都是45°.

A:1

B:2

C:3

D:4

上一题 下一题 0.0难度 选择题 更新时间:2018-11-12 09:48:10

答案(点此获取答案解析)

A

同类题5

完形填空

    People from every corner flooded into the streets that Christmas Eve. "Frosty the Snowman," and "Jingle Bells" 1 in stores; on the pavements, the street singers performed happily. Everyone was 2 by someone else, delighted and cheerful. I was alone.

    As one of 8 kids of a Brazilian family, brought up in America's crowded apartment, I'd spent several years searching for aloneness. Now,3, at 27, a college student after the 4 with my girlfriend, every cell inside me wanted to be alone,5  not at Christmas. My family had 6to Brazil and my friends were 7with their own lives. Dusk was approaching, and the fact that I had to return to my 8 home made me sad. Lights from windows blinked (闪烁), and I hoped someone would 9 from one of those homes to invite me inside with a Christmas tree decorated with shiny fake snow and 10 presents.

    At a market, I felt more 11 when people were buying lots of goods, which12 the gifts we received as children in my mind. I missed my family and wanted to cry for wanting to be alone and for having achieved it.

    Outside the church, a manger (小耶稣) had been set 13. I stood with others watching the scene, some of them 14 themselves, praying. As I walked home, I realized that leaving Brazil was still a painful experience as I struggled with 15 I had become in 15 years in America. I'd mourned (悲叹) the 16, but for the first time, I recognized what I'd gained. I was independent, 17 and healthy. My life was still ahead, full of 18.

    Sometimes the best gift is the one that you give yourself. That Christmas, I gave myself 19 for what I'd obtained up to now and promise to go forward. It is the best gift I've ever got, the one that I most 20.