单选题It"s no use ______ without taking any action.

单选题下列属于教师的教学设计技能的是______。 ①能够根据教学计划制定详细的课程授课计划和教学进度计划 ②了解教学对象的个别差异(包括智力水平、心理特征和个性倾向) ③善于引导学生把握事物的内在联系和规律，发展思维能力 ④掌握撰写教案的基本程序和方法

单选题教师胜任教学工作的基础性要求是必须具有______。

单选题关于教师的智力水平与教学效果的关系的正确陈述是（）

单选题下图所示，电阻R1标着“10Ω1A”，R2标着“5Ω1.2A”，电流表A1、A2量程均为0～3A，电压表量程0～15V，在a、b之间接入电压可调的电源。闭合开关S后，为保证R1、R2均不损坏，则允许加的电源电压和通过电流表A1的电流不得超过()。A．16V1AB．10V2.2AC．6V2.2AD．6V1.8A

单选题习总书记提出的有理想信念、有道德情操、扎实学识和仁爱之心的“四好老师”更多地体现了对老师( )。

单选题新课改整体设计九年一贯的义务教育课程，在小学阶段______。

单选题教学过程具有间接性，主要指的是学生( )。

单选题练习式教学模式的目的是______。

单选题得重感冒之后，常吃一种抗生素——头孢氨苄，分子式为C16H17N3O4S·H2O，其化学结构式如右图所示。下列有关其说法正确的是______A.该分子能与碳酸钠反应，不能与盐酸反应B.1mol该分子最多能与7molH2反应C.在一定条件下，能发生水解反应生成氨基酸D.头孢氨苄易溶于水，能使溴水褪色

单选题美国行为主义心理学家华生在《行为主义》一书中写道：“给我一打健康的婴儿，一个由我支配的特殊的环境，让我在这个环境里养育他们，我可担保，任意选择一个，不论他父母的才干、倾向、爱好如何，他父母的职业及种族如何，我都可以按照我的意愿把他们训练成任何一种人物——医生、律师、艺术家、大商人，甚至乞丐或强盗。”这是（　　）。

单选题某企业集团计划新建有色金属冶炼厂。下图为甲、乙、丙、丁四地的成本分析图(单位相同)，读图回答下面各题。

单选题教学过程中通过评价，教师可以判定自己所用的教学方法的有效性和可行性，从而对自己的教学方式、方法等做出适当的调整。这在信息技术课中，体现了评价的什么作用?______。

单选题小农经济是我国古代社会主要的农业生产方式，对这一经济形式认识不正确的是______

单选题已知非零实数a，b满足，则a+b等于()．A．-1B．0C．1D．2

单选题古希腊某哲学家认为：“一个人应该以他最有利的方式对待法律，众目睽睽之下，他应该非常尊重法律，但无人在场情况下，可以随本性行事……”与这一观点最相似的是( )。

单选题Much to her delight, three ______ neighbors showed up and several of them even brought with them some candies and cookies.

单选题教师职业道德的核心是______。

单选题周代分封制下，各封国贵族按“周礼”行事，学说统一的“雅言”，促进了各地文化的整合。周代的“雅言”最早应起源于现在的( )。

单选题Long ago, in a small village of Wakefield lived two farmers, Harry and Peter. Harry was very hard-working while Peter was (16) Every day Harry got up early and came home late, but Peter walked around for fun. One summer there was no (17) and the crops were dying. Harry thought, "I must do something to save these crops, or they shall die." With this (18) in mind, he went out to find a river so that he could dig a canal to his field. He walked on and on, feeling tired and thirsty. After a (19) search, he found a river full of blue water. He was very happy. He started digging a canal to his field. (20) it was noon his wife sent their daughter to bring Harry home (21) lunch. But Harry did not go. He did not want to leave his work unfinished. He completed his work (22) at night. He was very satisfied. He went home, had a good meal and (23) into a sound sleep. Peter did the same. But he was not at all determined. He also (24) digging a canal to his field but he didn't have his work completed. His field did not get (25) water and all his crops died. Harry's field would be watered when needed. He had a good harvest because of his hard work.