- 查题网

>> 成人高等教育 / 经济数学

成人高等教育 / 经济数学

正确率：100%

Unnamed QQ Screenshot20170106091559.png

A、
2
B、
-2
C、
3
D、
-3

积分

经济数学

参考答案：

点击查看答案

佳题速递：

将命题“凡有理数都能被 2 整除”符号化，下面不合适的为：离散数学（上）

在20世纪30年代前期、中期，中国共产党内屡次出现严重的“左”倾错误，其原因是多方面的。主要的原因在于A、共产国际对中国共产党内部事务的错误干涉和瞎指挥B、八七会议以后党内一直存在着浓厚的“左”倾情绪始终没有得到认真的清理C、党不善于把马克思列宁主义与中国实际全面地、正确地结合起来D、中国国情的复杂性中国近现代史纲要

20、Two years ago, my husband left a bike for me. If you live in a town, it is often faster than a car and don't have to worry about parking(停车). You can _ _ _ 21 _ _ _ it anywhere. Because it has a seat at the back and a basket at the front, I can take my small daughter when it is cold and it is snowing hard. It also can be dangerous. You must be _ _ _ 22 _ _ _ on a bike. Accidents are not the only problem. One day I went _ _ _ 23 _ _ _ and when I came back, I couldn't find my front wheel. It was a long walk to the bike shop! Now I have three strong locks. Sometimes my husband uses my bike for short trips. He is not good at _ _ _ 24 _ _ _ bikes, but he says it is better than waiting for a bus. He still likes his car for longer trips, but I think that all this sitting down is making him fat. _ _ _ 25 _ _ _ my bike I got a lot of exercise and fresh air, and makes me feel much healthy.统考英语完型填空

肾髓质钙化可见于下列哪种情况 ( )A、先天性肾小管性酸中毒B、髓质海绵肾C、急性肾皮质坏死D、原发性甲状旁腺功能亢进E、痛风性肾病医学影像学

在Windows7中，任务栏（）。计算机应用基础

153、计算机执行某种操作的命令就是_______。 A.程序 B.指令 C.指令系统 D.程序设计语言计算机统考