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【简答题】
Bowen was grown-up, and for his birthday that year his father gave him a without any pictures in it! Bowen’s father found he was not about it, and told him, “Son, this isn’t just any book; it’s a magic (有魔力的) book. But to discover its magic you’ll have to it.” Well, that was better. Bowen liked to do with magic. He started reading it, he wasn’t very willing to. The next morning, his asked him, “Have you found the magic ?” So… there was a key to find! Bowen flicked through (快速翻阅) the book, but there was no of the key. And then his father him, “You won’t find it like that. You have to read the book. ” Bowen didn’t have much patience (耐心) , thinking his father just told a .A little later, his little sister, Rainer, asked him the book. After several days, she shouted, “I’ve found the key! ” And she wouldn’t stop all the places she had visited using the magic key. This made Bowen read the book again. At first it was a ; there wasn’t even one single in the book. But, gradually, Bowen became the adventurous (冒险的) prince’s life. Then, suddenly, he was there. The book was the key! It was true that every time he it, he felt going to its valleys and seas, and he lived the adventures of the prince. From then on, with every new book, Bowen never being attracted by the letters and words inside. 小题1: A.diary B.book C.box D.bag 小题2: A.sad B.surprised C.happy D.angry 小题3: A.ordinary B.special C.new D.famous 小题4: A.keep B.take C.read D.value 小题5: A.somebody B.everything C.nothing D.anybody 小题6: A.though B.so C.and D.or 小题7: A.uncle B.father C.mother D.aunt 小题8: A.key B.page C.word D.stick 小题9: A.mark B.signal C.sign D.way 小题10: A.asked B.praised C.told D.followed 小题11: A.will B.story C.joke D.lie 小题12: A.for B.of C.to D.back 小题13: A.badly B.happily C.slowly D.quickly 小题14: A.working out B.turning down C.talking about D.looking for 小题15: A.pity B.pleasure C.success D.pain 小题16: A.note B.picture C.text D.title 小题17: A.interested in B.busy with C.tired of D.good at 小题18: A.it B.yourself C.itself D.himself 小题19: A.put B.opened C.threw D.covered 小题20: A.stopped B.tried C.felt D.began
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【判断题】送货是指采用适当的方式和手段 ,从储存的货物中选出用户所需货物的活动。
A.
正确
B.
错误
【简答题】如果平衡,指针静止时指在 ___________ 的中央。
【判断题】如果平衡,指针静止时指在分度盘的中央
A.
正确
B.
错误
【简答题】小华在实验室测量物质的密度。 (1)把天平放在水平台上,游码放在标尺左端零刻度线处,指针静止时位置如图甲所示,小华向 调节平衡螺母 ,使横梁平衡。 (2)小华利用天平和量筒测量了果汁的密度,过程如下: 1用天平测出空烧杯的质量为28.2g; 2向烧杯中倒入适量果汁,用天平测出烧杯和果汁的总质量如图乙所示,其质量为 g。 3将烧杯中的果汁倒入量筒中,测出果汁的体积为30 cm 3 。 4果汁的密度ρ...
【简答题】如图甲所示,是我们实验室常用的托盘天平。 (1)如图甲是小东调节天平横梁平衡的情景,你认为他操作中存在的错误是____ (2)改正错误后,小东将平衡螺母移到某一位置时分度盘的指针如图乙(a)所示左右摆动,此时天 平____(选填“平衡”或“不平衡")。 (3)在向砝码盘中放砝码时,应根据所估计的被测物体的质量,按质量____(选填“由小到大”或“由大到小”)的顺序增减砝码。当将5g的砝码(此砝码为...
【简答题】端午节 , 小杉在乌蒙大草原游玩时 , 捡到一块不知名的均匀物块 , 他将该物块带回学校 , 在老师的帮助下 , 对其密度进行测量 ( 如图 ) 。 (1) 将天平放在水平桌面上 , 游码移至标尺左端的零刻度线处 , 发现指针偏向分度标尺的左侧 , 应将平衡螺母向 ________ ( 选填 “左”或“右” ) 调节 , 用调节好的天平测量物块的质量 , 平衡时所用砝码及游码位置如图甲所示 , 物...
【判断题】谈判中要清楚地告知对方我方的权限。
A.
正确
B.
错误
【简答题】某教师为了解学生对摩擦力、二力平衡等知识的掌握情况,设计了如下检测题,检测结果是每个选项都有学生选择。 题目:物体A在水平力F的作用下,静止在竖直墙壁上。当水平力减小为时 ,物体A恰好沿竖直墙壁匀速下滑,此时物体A所受摩擦力的大小()。 A.减小为原来的 B.和原来一样 C.增大为原来的2倍 D.无法判断 问题: (1)指出正确选项,针对错误选项分析学生在物理知识方面可能存在的问题。 (2)针对其...
【简答题】实验题:按下列实验步骤和要求回答粗盐提纯的有关问题. 第一步:溶解. 在天平上称取5.0g粗盐,计算在10mL水中溶解的粗盐的质量(已知5.0g粗盐在10mL水中不能完全溶解). ①称量:称量前先把______,检查天平的摆动是否平衡,当发现指针偏左时,紧接着的操作是______,准确称取5.0g粗盐. ②溶量取10mL水倒人烧杯里,用药匙加粗盐于水中,用玻璃棒搅拌,直到粗盐不再溶解时为止.要估算...
【简答题】案例: 某教师为了解学生对浮力、二力平衡等知识的掌握情况,设计了如下检测题,检测结果是每个选项都有学生选择,选择B项的居多。 题目:如图所示,重为SN的木块A在水中处于静止状态,此时绳子的拉力为3N,木块所受浮力的大小和方向是()。 A.8N,竖直向上 B.5N,竖直向上 C.3N,竖直向上 D.2N,竖直向上 问题:(1)指出正确选项,针对错误选项分析学生在物理知识方面可能存在的问题。 (2)针...
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