能够根据描述画出方位图 查看更多

 

题目列表(包括答案和解析)

根据描述,写出图中所缺物品的名称.(每空一词)
 
    Hello! This is my room.A table,a bed,a chair,a desk and a bookcase are in the room.Some plants
are on the table.My backpack is on the desk.My hat is on the chair.My shoes are under the bed.My baseball is on the floor.And those are my books.They are in the bookcase.
1._______ 2._______    3._______  4._______ 5._______

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读下面短文,画出家谱图 
    This is my friend John Wilson and his family. This is his grandfather. His name is Fritz. This is his grandmother. Her name is Evelyn. This is his mother. Her name is Anna. This is his father. His name is Earl. Earl’s parents are Fristz and Evelyn. These are his sisters, Christie and Carina.

 1. ______2. ______3. ______4. ______

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在物理学中,磁场的强弱用磁感应强度(用字母B表示,国际单位是特斯拉,符号是T)来表示,磁感线越密的地方,磁场越强,磁感应强度B越大.

(1)在图20中,甲为某磁极附近磁感线的方向和分布的示意图,由图可知,该磁极为 ▲ 极,若在l处放置一个小磁针,当小磁针静止时,其指向应是图乙中的  ▲   .
(2)磁敏电阻阻值的大小随磁场的强弱变化而变,图丁是某磁敏电阻R的阻值随磁感应强度B变化的图象,据图线可知,磁敏电阻的阻值随磁感应强度B的增大而▲ .图线没有过坐标原点,说明  ▲  .
(3)王强设计了一个可以测量该磁敏电阻R的电路如图丙所示,(其中磁敏电阻所处的磁场未画出).将该磁敏电阻R放置在磁场中的位置某处,测出电阻后,利用R—B特性曲线可以读出相应的磁感应强度.
①在图甲磁场中1处,测得的数据如图20表中所示,则该磁敏电阻的测量值为 ▲ Ω. 
②根据该磁敏电阻的R-B特性曲线可知,1处的磁感应强度为   ▲    T.
③在实验过程中,仅将磁敏电阻从1处移至2处,其它条件不变,那么电流表的示数
▲   (填“增大”、“减小”或“不变”).
④依据上述方法获得的磁感应强度B的测量值与该点实际值存在不小的误差,为尽可能准确反映空间某点磁场的强弱,你认为在选择磁敏电阻时应注意什么问题?

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根据前三幅图联想,画出第四幅图中Mimi的位置,并用英语表达。

                                                 Where is Mimi?   
1. In Picture D: _____________________________________________________________

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看图并联想。
观察A、B、C三幅图,用英语表达出Mimi的位置。根据前三幅图联想,画出第四幅图中Mimi的位置,并用英语表达。Where is Mimi?  
A
In Pictuer A: __________
B
In Picture B: __________
C
In Picture C: __________
In Picture D: __________

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