We find that bright children are rarely held back by mixed-ability teaching. On the contrary, both their knowledge and experience are enriched. We feel that there are many disadvantages in streaming(把...... 能力分班) pupils. It does not take into account the fact that children develop at different rates. It can have a bad effect on both the bright and not so bright child. After all, it can be quite discouraging to be at the bottom of the top grade!
Besides, it is rather unreal to grade people just according to their intellectual ability. This is only one aspect of their total personality. We are concerned to develop the abilities of all our pupils to the full, not just their academic ability. We also value personal qualities and social skills, and we find that mixed-ability teaching contributes to all these aspects of learning.
In our classrooms, we work in various ways. The pupils often work in groups: this gives them the opportunity to learn to co-operate, to share,
A. critical
B. questioning
C. approving
D. objective
下面是关于氮被生物吸收途径的叙述,其中正确的是()
①氮在大气中的体积分数高达78%,但不能被植物直接利用
②通过高能固氮,可将空气中游离的氮转化为硝酸盐或氨,从而被植物以自由扩散方式吸收
③所有豆科植物都具有生物固氮作用,其根部的根瘤菌可将氮气转变成硝酸盐,被植物吸收
④动物以植物为食而获得氮,并转化为动物蛋白等含氮有机物
⑤动植物死亡后,遗骸中的含氮有机物被微生物分解成NH3、NO3-后,能被植物再次利用
He shouldn’t have come back alive.
Captain J. H. Hedley was British pilot in World War I. He fell victim to a bit
of misfortune that would have been enough to kill anyone. Yet, with bad luck
staring him in the face, good luck was coming up fast on his tail. Captain Hedley was flying a mission over Germany with his copilot, A Canadian flyer named Makepeace. Suddenly they were surrounded by a group of German fighters. Makepeace, an experienced pilot, knew he had to take the plane into a vertical dive in order to slip away from Germans. Inexplicably, Hedley was caught unaware by his copilot’s maneuver. He was thrown sharply out of his seat and out of the plane. Makepeace sadly counted Hedley a dead man and continued his evasive maneuvers. Suddenly, Makepeace spotted Hedley clinging to the tail of the plane, Hedley hung A. afraid of each other B. in competition C. fighting together D. fighting each other [简答题]涂层宽度偏出工艺范围1mm以上可以实行自动控制。()
[单项选择]金星受到的太阳辐照功率是多少KW/m2()?
A. 2.6 B. 1.4 C. 0.6 D. 0.1 [多选题]计算机通信网按作用范围分类有( )三种形式。
A.广域网 B.城域网 C.因特网 D.局域网 E.调度网 [单选题]转向架车轮磨耗到限的直径为( )mm。
A.840 B.805 C.770 D.740 [简答题]再生障碍性贫血的土壤学说
[单选题]一台辅助逆变器模块(ACM),将直流1 650 V电压转换为三相50 Hz交流电压,通过辅助变压器转换成三相四线制的( )V交流电压。
A.220 B.275 C.340 D.380 [单项选择]某女,34岁。不喜运动,近2年出现腰部酸痛,右侧痛重,腰部肌肉僵硬,久坐加重,舌质淡黯,应加取()。
A. 腰阳关 B. 足三里 C. 太冲 D. 膈俞 E. 太溪 [单选题]CTCS-2列控系统车载设备输入最大工作电压为。
A. DC110V B. DC137.5V C.AC110V D.AC137.5V [判断题]在雷雨季节前应对天线馈线的防雷装置进行检查。( )
A.正确 B.错误 [判断题]电子时间继电器454 KT其功用是电阻制动时,初减压时间达到25—28 s后,使均衡风缸通过中继阀向制动管充气,缓解列车制动力。( )
A.正确 B.错误 [判断题] 备用电源自动投入装置工作时,当备用电源无压时,备自投装置应迅速动作。( )
A.正确 B.错误 [单选题]揭开人民解放军全国性战略进攻序幕的是( )
A. 渡江战役开始 B. 孟良崮战役开始 C. 刘邓大军挺进大别山 D. 三大战役开始 [单选题]安全生产管理,坚持( )的方针。
A.遵章守纪、规范管理 B.安全第一、预防为主 C.安全管理、注重效益 D.安全生产、遵章守纪 [判断题]在复叠式系统中,由于低温侧压缩机常处于低温状态,要求压缩机润滑油的凝固点低、稳定性好。
[单项选择]下列选项中,效力最高的为()
A. 法律 B. 行政性法规 C. 部委规章 D. 地方性法规 [多选题]高柱透镜式信号机由()组成。
A.机柱 B.机构 C.托架 D.梯子 [单项选择]正常体温时,一旦心脏停搏,脑组织储备的糖原和ATP逐渐耗尽的时间是()
A. 15~20分钟 B. 2~4分钟 C. 10~15分钟 D. 4~6分钟 E. 5~10分钟 [单项选择]下列使用酒精灯的方法中正确的是()
A. 向燃着的酒精灯添加酒精 B. 用然着酒精灯去点燃另一酒精灯 C. 加热时应用酒精灯的外焰 D. 熄灭酒精灯时,用嘴吹灭 [多项选择]按民事诉讼法的规定,可以作为委托代理人的包括:()。
A. 当事人的近亲属 B. 律师 C. 社会团体推荐的人 D. 诉讼代表人 E. 当事人的邻居 我来回答: 提交
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