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【单选题】The Fisherman and the bearOne fine day, an old man was fishing and caught nothing. Finally, he gave up and walked back along the shore to his shack（窝棚）. When he got close to the front door, he saw it ...
A.
It held the paw out over the water.
B.
The bear jumped and ran out of the door.
C.
He walked to the door quietly and looked inside.
D.
The bear was gone and had left six large fish for him.
E.
The bear often came to the old man's shack to get honey.
F.
Every time a fish jumped after his paw the bear hit it ashore.
【单选题】The Fisherman and the bearOne fine day, an old man was fishing and caught nothing. Finally, he gave up and walked back along the shore to his shack（窝棚）. When he got close to the front door, he saw it ...
A.
It held the paw out over the water.
B.
The bear jumped and ran out of the door.
C.
He walked to the door quietly and looked inside.
D.
The bear was gone and had left six large fish for him.
E.
The bear often came to the old man's shack to get honey.
F.
Every time a fish jumped after his paw the bear hit it ashore.
【单选题】在Swing中，JButton的直接父类是( )。
A.
java.awt.Button
B.
java.awt.Container
C.
javax.swing.Button
D.
javax.swing.AbstractButton
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A.
正确
B.
错误
【单选题】用肉锤拍打猪排的主要作用是什么?
A.
增大面积
B.
快熟、省劳力
C.
易于整形
D.
节省能源
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A.
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【单选题】3的直接广播地址是
A.
193.1.2.255
B.
193.1.255.255
C.
193.255.255.255
D.
255.255.255.255
【单选题】The Fisherman and the bearOne fine day, an old man was fishing and caught nothing. Finally, he gave up and walked back along the shore to his shack（窝棚）. When he got close to the front door, he saw it ...
A.
It held the paw out over the water.
B.
The bear jumped and ran out of the door.
C.
He walked to the door quietly and looked inside.
D.
The bear was gone and had left six large fish for him.
E.
The bear often came to the old man's shack to get honey.
F.
Every time a fish jumped after his paw the bear hit it ashore.
【单选题】拍打肌肉可引发
A.
终板活动
B.
终板峰电位
C.
肌强直放电
D.
肌纤维抽搐放电
E.
复杂性重复放电
【单选题】The Fisherman and the bearOne fine day, an old man was fishing and caught nothing. Finally, he gave up and walked back along the shore to his shack（窝棚）. When he got close to the front door, he saw it ...
A.
It held the paw out over the water.
B.
The bear jumped and ran out of the door.
C.
He walked to the door quietly and looked inside.
D.
The bear was gone and had left six large fish for him.
E.
The bear often came to the old man's shack to get honey.
F.
Every time a fish jumped after his paw the bear hit it ashore.
【判断题】直接奖赏就是物质奖赏()
A.
正确
B.
错误
【单选题】在Swing中，JButton的直接父类是( )。
A.
java.awt.Button
B.
java.awt.Container
C.
javax.swing.Button
D.
javax.swing.AbstractButton