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【单选题】
实验室中的交流电压表和电流表,其读数是交流电的( )。
A.
最大值
B.
瞬时值
C.
有效值
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【单选题】平行投射线由左向右垂直W面,在W面上产生的投影叫做( )
A.
正立投影图
B.
水平投影图
C.
侧立投影图
D.
背投影图
【单选题】When he got off the crowded bus,he found his pocket________and the disk in it with the important documents gone. [      ]
A.
picked
B.
stolen
C.
missing
D.
lost
【单选题】He saw a boy _____ on the truck when he got off the train. [     ]
A.
played
B.
to play
C.
playing
D.
is playing
【判断题】公路自行车大组赛冲线前可以曲线行驶以干扰对手冲刺
A.
正确
B.
错误
【单选题】大批量生产类型的工艺特征之一是采用 ( ▲ ) 。
A.
通用机床
B.
简单工艺规程
C.
通用刀、夹、量具
D.
详细工艺规程
【单选题】The Prime Minister was followed by five or six______when he got off the plane.
A.
laymen
B.
servants
C.
directors
D.
attendants
【单选题】When he got off the bus, he found his pocket ___.
A.
stolen
B.
picked
C.
gone
D.
missing
【简答题】布魯姆精熟學習設計教育心理學內容
【简答题】Jack arrived in a big city of China. When he got off the train, he felt very hungry (饥饿的) and wanted to ___1___some food. But he didn’t know___2___to get to a food shop, so he bought a___3___of the ci...
【简答题】Who did he meet when he got off the plane?
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