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【判断题】
专门的德育活动是实施幼儿德育的有效手段A.
正确
B.
错误
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【单选题】Of all the areas of learning, the most important is the development of attitudes. Emotional reactions as well as logical thought processes affect the behavior. of most people. 'The burnt child fears t...
A.
attitudes affect our actions
B.
teachers play a significant role in developing or changing pupils' attitudes
C.
attitudes can be changed by some classroom experiences
D.
by their attitudes teachers affect pupils' attitudes unintentionally
【单选题】Of all the areas of learning the most important is the development of attitudes. Emotional reactions as well as logical thought processes affect the behavior. of most people. 'The burnt child fears th...
A.
attitudes affect our actions
B.
teachers play a significant role in developing or changing pupils' attitudes
C.
attitudes can be changed by some classroom experiences
D.
the elementary school is a more effective milieu for developing wholesome attitudes than high school or college
【单选题】对于程序段int x=-1; do { x=x*x; }while(!x);说法正确的是( )。
A.
是死循环
B.
循环执行两次
C.
循环执行一次
D.
有语法错误
【简答题】我国北方地区家庭浴室大多用燃气热水器提热水，小芳家安装了燃气热水器．已知水进入热水器前的温度是10℃，洗澡时热水器输出热水的温度设定为40℃；水的密度ρ 水 =1.0×10 3 Kg/m 3 ，水的比热容C 水 =4.2×10 3 J/（kg?℃），如果小芳洗一次澡用热水0.05m 3 ．求： （1）所用热水的质量为多少？ （2）水从热水器中吸收多少热量？ （3）若天然气完全燃烧释放热量的70%被...
【单选题】对于 C 程序段 int x=-1;do {x=x*x;}while (!x) ; 叙述止确的是( )
A.
执行循环体 1 次
B.
执行循环体 2 次
C.
死循环
D.
不执行循环体
【简答题】四五折是十分之( ),改写成百分数是( )
【判断题】Learning is the most important character of culture where and how can we learn is easy to explain.( )
A.
正确
B.
错误
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