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【简答题】
A teacher teaching Maths to seven-year-old Laiq asked him, ' If I give you one apple and one apple and one apple, how many apples will you have?' Within a few seconds Laiq 31 confidently, ' Four!' The confused teacher was expecting a(n) 32 correct answer, three.She was disappointed. 'Maybe the child did not listen 33 ' she thought. She   34   , 'Laiq, listen carefully. If I give you one apple and one apple and one apple, how many apples will you have?' Laiq had seen the 35 on his teacher' s face. He 36 again on his fingers. But within him he was also 37 the answer that would make the teacher happy. This time hesitatingly he replied, 'Four. ' The disappointment stayed on the teacher' s face. Suddenly she 38 that Laiq liked strawberries.She thought maybe he didn’t like apples and that was why he couldn’t answer the question.This time with an excitement in her 39 she asked, ' If I give you one strawberry and one strawberry and one strawberry, then how many you will have?' Seeing the teacher 40 , young Laiq calculated on his fingers again. There was no pressure on him, but a little on the teacher. She wanted her new 41 to succeed. 42  a hesitating smile young Laiq replied, 'Three?' The teacher now had a 43 smile. Her approach had succeeded. She wanted to 44 herself.But one last thing remained. 45 she asked him, 'Now if I give you one apple and one apple and one more apple how many will you have?' Confidently Laiq answered, 'Four!' The teacher was 46 'How Laiq, how?' she demanded in a little annoyed voice. In a voice that was 47 and hesitating young Laiq replied, ' Because I already have one 48  in my bag . ' The story tells us: 49 someone gives you an answer that is 50 from what you expect, don' t think they are wrong. There shall be an angle that you may not have thought about yet. 小题1: A.told B.added C.replied D.wrote 小题2: A.worthless B.effortless C.careless D.selfless 小题3: A.possibly B.actively C.properly D.strictly 小题4: A.repeated B.ordered C.whispered D.complained 小题5: A.satisfaction B.disappointment C.punishment D.determination 小题6: A.recognized B.discovered C.calculated D.insisted 小题7: A.searching for B.waiting for C.arguing about D.talking about 小题8: A.decided B.noticed C.expressed D.remembered 小题9: A.eyes B.hands C.mouth D.nose 小题10: A.sad B.happy C.pitiful D.lovely 小题11: A.invention B.system C.reform D.approach 小题12: A.On B.In C.With D.By 小题13: A.victorious B.precious C.lasting D.appealing 小题14: A.thank B.congratulate C.help D.enjoy 小题15: A.Above all B.In vain C.On purpose D.Once again 小题16: A.astonished B.concerned C.amused D.relaxed 小题17: A.high B.low C.easy D.clear 小题18: A.strawberry B.apple C.coin D.box 小题19: A.Before B.After C.Until D.When 小题20: A.absent B.free C.different D.safe
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【判断题】按用途不同,螺旋传动可分为传动螺旋、调整螺旋两种类型。
A.
正确
B.
错误
【简答题】(8分)实验室需要200mL1.0 mol/L的NaOH溶液用于测定某盐酸样品的浓度。 (1)下列仪器中,配制NaOH溶液时必须用到的是(填写序号) 。 ①100 mL量筒  ②烧杯  ③100 mL容量瓶  ④250 mL容量瓶 ⑤天平  ⑥胶头滴管  ⑦玻璃棒 (2)需要NaOH固体的质量是 。 (3)出现下列操作时,将使所配制的溶液浓度偏低的是 。 A. 将烧杯内的NaOH溶液向容量瓶内转移...
【多选题】微视频的设计与制作包括的主要步骤有:
A.
选题
B.
教学设计
C.
录制前的准备工作
D.
视频录制
E.
视频编辑
F.
视频发布
【单选题】某寿险公司对于人力的考核逐步从“千PP(保费)人力”转向“千CC(佣金)人力”,这说明该公司对于。营销员的产能要求越来越高。()
A.
正确
B.
错误
【简答题】在200mL稀硫酸和稀盐酸的混合溶液中,逐滴加入1mol-L -1 Ba(OH) 2 溶液,当加入0.6L Ba(OH) 2 时,溶液恰好中性,共得到沉淀46.6g.试求 (1)SO 4 2- 刚好沉淀完全时滴加的Ba(OH) 2 溶液的体积是多少? (2)混合酸溶液中硫酸和盐酸的物质的量浓度各是多少?
【简答题】由Fe、Fe 2 O 3 、CuO组成的混合物溶于110mL,4mol·L -1 的过量盐酸中,产生H 2 896mL(标况),所得溶液中阳离子只有Fe 2+ 和H + ,残余固体为1.28g,过滤后将滤液稀释为200mL,测得[H + ]为0.4mol·L -1 ,则原混合物中各组分的质量为:CuO_________g,Fe 2 O 3 ________g,Fe_______g。
【简答题】实验室需要200mL1.0mol/L的NaOH溶液用于测定某盐酸样品的浓度. (1)下列仪器中,配制NaOH溶液时必须用到的是(填写序号)______. ①100mL量筒  ②烧杯  ③100mL容量瓶  ④250mL容量瓶  ⑤天平  ⑥胶头滴管  ⑦玻璃棒 (2)需要称量NaOH固体的质量是______. (3)出现下列操作时,将使所配制的溶液浓度偏低的是______. A.将烧杯内的NaOH...
【单选题】将5.1 g镁和铝投入500 mL 2 mol·L -1 的盐酸中,生成氢气0.5 g,金属完全溶解,再加入4 mol·L -1 的NaOH溶液,若要使生成的沉淀最多,则应加入NaOH溶液的体积是 ( ) A.200 mL B.250 mL C.425 mL D.560 mL
A.
B.
C.
D.
D
【多选题】录制视频前的准备工作主要有:
A.
硬件方面准备:包括安装与调试摄像头、麦克风等
B.
软件方面准备:安装Camtasia软件及其他所需软件等
C.
录制脚本的设计
D.
录制脚本的撰写
【判断题】经济全球化会导致增长和分配、资本和劳动、效率和公平的矛盾更加尖锐,结构失衡、贫富分化严重等问题更加突出。
A.
正确
B.
错误
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