两数相减，差一定小于被减数．______．（判断对错） 发布时间：2017-04-19 17:50 │ 来源：www.tikuol.com 题型：解答题 问题： 两数相减，差一定小于被减数．______．（判断对错）
题型：解答题 完形填空。 Many people like to keep dogs as their pets. But do you know dogs were wild (野生的) animals long, long ago? The 1 wild dogs were trained by 2 in Europe about 10,000 years ago. These first "dogs" were not like 3 we have now. They may have been small wolves. These dogs often came near humans to 4 some food. Some of the young dogs were adopted (收养) by people and grew up with them. Humans believed the 5 were a help to them in many ways. The dogs helped them to hunt (狩猎). They could smell and hear danger 6 . people could. They helped keep people 7 on cold nights. So is was 8 to raise the dogs. Now, there are many different kinds of dogs 9 they may look quite different from each other. Dog trainers think there are more that 400 different kinds in the world. The number keeps increasing with new kinds. Since those early days, humans and dogs have always been together. We should 10 them from now on because they are really our friends. ( )1. A. first ( )2. A. wolves ( )3. A. where ( )4. A. steal ( )5. A. steal ( )6. A. when ( )7. A. cool ( )8. A. hard ( )9. A. so ( )10. A.hurt B. late B. cats B. what B. waste B. foxes B. after B. warm B. useless B. and B. kill C. last C. humans C. when C. make C. wolves C. before C. hot C. easy C. but C. protect D. whole D. students D. which D. serve D. dogs D. as soon as D. cold D. useful D. although D. see 查看答案
题型：解答题 一个有水的长方体容器，放入等底等高的圆柱体和圆锥体钢材各一个，水面上升10厘米（没有溢出）．此时，圆锥体钢材体积的20%露出水面，圆柱体钢材完全浸没，圆锥体钢材的体积与浸没在水中钢材体积的比是______． 查看答案
题型：解答题 关于理财方案存档管理的表述中，( )是错误的。A．重要的文件原件应双份保存B．电子文档容易损坏，电子保存方式应当限制使用C．应当将理财规划过程中的全部资料都进行存档D．存档管理有助于控制风险 查看答案