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【多选题】
数学教育对儿童发展的意义( )A.
儿童期是数学能力发展的敏感期,是数学启蒙教育的关键期
B.
对儿童进行数学教育是其生活和正确认识周围世界的需要
C.
数学教育有助于培养儿童的自信心、好奇心、探究欲及对数学的兴趣
D.
数学教育有助于促进儿童思维能力发展
E.
数学教育有助于儿童日后的小学数学学习
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举一反三
【单选题】下列关于类的继承性的描述中,错误的是 。
A.
继承是在已有的类基础上生成新类的一种方法
B.
子类不能继承父类的构造函数
C.
Java语言要求一个子类只有一个父类
D.
父类中成员的访问权限在子类中将被改变
【简答题】简要谈谈你在教学中如何培养学生的史料实证和历史解释素养?
【单选题】What is the man’s problem?A.He is too busy to wait.B.He cannot find his pills.###
A.
What is the man’s problem? A.He is too busy to wait.
B.
He cannot find his pills.
C.
He has a pain in his back.
【简答题】那个地方的人对保护环境没有给予足够的关注。
【单选题】Sue and Neal are twins. Sue invests $5,000 at 7 percent when she is 25 years old. Neal invests $5,000 at 7 percent when he is 30 years old. Both investments compound interest annually. Both Sue and Ne...
A.
Sue will have less money when she retires than Neal.
B.
Neal will earn more interest on interest than Sue.
C.
Neal will earn more compound interest than Sue.
D.
Sue will have more money than Neal as long as they retire at the same time.
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