物质的用途是由性质决定的,干冰可用于人工降雨,也可用于灭火,其中原理是什么?请你 发布时间:2017-05-23 21:43 │ 来源:www.tikuol.com 题型:问答题 问题: 物质的用途是由性质决定的,干冰可用于人工降雨,也可用于灭火,其中原理是什么?请你简要分析,并举一例说明物质的用途是由性质决定的。
题型:问答题 根据表格内容,判断句子正“T”误“F”。 Newfield High SchoolName: LouisClass: 2Date: Dec. 20th, 2007SubjectGrade (等级) Comment (评价)MathD Must try harderP.E.C- Need to do betterScienceF Do poorly in testsArtA+ CleverEnglishB- Get betterFrench B- Good workHistory C+Show interest Rank (排名) in class: 24 of 32 To parents: Louis is quiet and shy. He is often late for school. He is good at the subjects he likes, but he should work harder on other subjects.( )1. Louis does best in art and does worst in P.E. ( )2. Louis got a better grade in English this year than before. ( )3. Louis is a quiet and shy boy. He often gets home late. ( )4. The teacher thinks Louis should work harder on the subjects he doesn't like.( )5. There are 32 students in Louis' class. He got the 24th place (名次). 查看答案
题型:问答题 Lily is a good girl. She _____ helps others. [ ]A. never B. always C. sometimes D. usually 查看答案
题型:问答题 关于排尿反射训练正确的是()A.叩击频率50~100次/分,叩击次数100~500次B.叩击频率10~50次/分,叩击次数100~500次C.叩击频率100~150次/分,叩击次数100~500次D.叩击频率50~100次/分,叩击次数100~200次E.叩击频率100~150次/分,叩击次数100~200次 查看答案
题型:问答题 下列不属于激励的作用的是:( )。A.有利于激发和调动职工的积极性B.有助于将职工的个人目标与组织目标统一起来C.有利于领导对员工的控制D.有助于增强组织的凝聚力,促进内部各组成部分的协调统一 查看答案