【单选题】幼儿生活常规教育的意义有( ) 1可以培养幼儿的生活规律,养成良好的行为习惯 2可以帮助幼儿适应幼儿园环境,学习在集体中生活 3幼儿的某些生活常规教育不利于培养幼儿的自律能力 4能够增强幼儿的安全感,有助于幼儿健康成长
【单选题】Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape from his trapped car yesterday when it landed upside down in three feet of water. Mr. Johnson took the only escape route—throug...
A.
The Story of Mr. Johnson, a Sweet Salesman.
B.
Car Boot Can Serve as the Best Escape Route.
C.
The Driver Survived a Terrible Car Accident.
D.
Driver Escapes Through Car Boot.
【简答题】阅读理解。 Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape from his trapped car yesterday when it la nded upside down in three feet of water. Mr. Johnson took the only escape route...
【单选题】在环境保护领域,环境容量指人类和自然环境不致受害的情况下,或具体来说在保证不超过环境目标值的前提下,区域环境能够容许的污染物最大允许排放量。环境容量是确定污染物排放总量指标的依据,排放总量小于环境容量才能确保环境目标的实现。 根据上述定义,下列不属于环境容量范畴的是( )。
A.
根据相关部门的要求,为了保证某河流的水质质量,限定了某类水体污染物一定时间内向该河流的排放总量
B.
某人民政府对尚未达到规定的大气环境质量标准的区域,划定为主要大气污染物排放总量控制区
C.
由于排放的大气污染不满足相关排放标准的要求,某企业决定抬高烟囱高度
D.
某开发区建设的环境影响评价工作中,结合开发区规划分析和污染控制措施,提出了区域环境容量利用方案和近期(按5年计划)污染排放总量控制指标
【简答题】阅读理解。 Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape from his trapped car yesterday when it landed upside down in three feet of water. Mr. Johnson took the only escape route-...
【简答题】平均键能可以估算反应热。 H2(g) + F2(g) ------ 2HF(g) 查出平均键能,估算该化学反应的反应热。
【简答题】阅读理解。 Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape from his trapped car yesterday when it landed upside down in three feet of water. Mr. Johnson took the only escape route-...
【简答题】平均键能可以估算反应热。 H2(g) + C2H4(g) ------ C2H6(g) 查出平均键能,估算该化学反应的反应热。