皮皮学,免费搜题
登录
搜题
【多选题】
挡渣出钢目的( )。
A.
有利于准确控制钢水成分,提温度
B.
有效地减少钢水回磷,提高合金元素吸收率,减少合金消耗
C.
有利于降低钢中夹杂物含量,提高钢包精练效果
D.
有利于降低对钢包耐火材料蚀损。同时,也提高了转炉出钢口的寿命
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】新石器时代的艺术作品有下面哪两类?()
A.
陶器;巨石结构
B.
瓷器;巨石结构
C.
洞窟艺术;绘画艺术
D.
洞窟艺术;器具艺术
【简答题】A. Leam a computer language. C. Buy some computer software. B. Leam data processing. D. Buy a few coursebooks.
【单选题】现浇预应力钢筋混凝土连续梁,支架和模板安装后,宜采取预压方法消除( )。
A.
非弹性变形
B.
弹性变形
C.
塑性变形
D.
支架空隙
【多选题】马克思主义经典作家关于政治的实质和含义的论述是
A.
政治的根源是经济
B.
政治的实质是阶级关系
C.
政治的核心是政治权力
D.
政治是一种法律现象
【单选题】These days, everybody buys computer software. Consumers purchase all kinds of software, from games for the kids to highly sophisticated professional programs and everything in between. Computer softwa...
A.
Recycling
B.
Computer software
C.
The use of garbage dumps
D.
A problem with packaging
【单选题】In March, the company is going to A. install new computer software. B. start using new computer software. C. test the new computer software.
A.
B.
C.
C
【简答题】computer software packages
【简答题】What is the computer software? Computer software is a program that tells a computer what to do. It mainly includes system software, programming software and application software.
【多选题】马克思主义经典作家关于政治的实质和含义的论述是
A.
政治的根源是经济
B.
政治的实质是阶级关系
C.
政治的核心是政治权力
D.
政治是一种法律现象
E.
政治活动是科学、是艺术
【单选题】The most widely used personal computer software is ( ) software.
A.
Communications
B.
Word Processing
C.
Database Management
D.
Electronic Spreadsheets
相关题目: