皮皮学，免费搜题
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【单选题】
由一条肽链组成且具有 7 个α-跨膜螺旋的膜蛋白是
A.
G 蛋白
B.
腺苷酸环化酶
C.
配体门控通道
D.
酪氨酸激酶受体
E.
G 蛋白耦联受体
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【单选题】下列做法中,没有违反相关法律规定的是 ( )
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【单选题】听力原文：M: There is a non-stop train for Washington and it leaves at 2: 30. W: It's faster than the 2 o'clock train. Besides, we can have something to eat before getting on the train. Q: What do we learn...
A.
The 2:00 train will arrive earlier.
B.
The 2:30 train has a dining car.
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相关题目：
【单选题】The rule for paying the tab in business is clear: man should pay the tab.
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【单选题】下列做法中,没有违反相关法律规定的是( )
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in
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of
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A.
小刚的妈妈经常检查他的作业和日记本
B.
课间休息时教师王某在教师外面的走廊抽烟
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教师刘某让没有正确回答问题的学生站着听课
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教师李某课堂上让未掌握投篮动作的学生反复练习
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小刚的妈妈经常检查他的作业和日记本
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教师刘某让没有正确回答问题的学生站着听课
D.
教师李某课堂上让未掌握投篮动作的反复练习
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【单选题】听力原文：M: There is a non-stop train for Washington and it leaves at 2: 30. W: It's faster than the 2 o'clock train. Besides, we can have something to eat before getting on the train. Q: What do we learn...
A.
The 2:00 train will arrive earlier.
B.
The 2:30 train has a dining car.
C.
The woman prefers to take the 2:30 train.
D.
They are going to have some fast food on the train.
查看完整题目与答案
【单选题】下列做法中,没有违反相关法律规定的是
A.
小刚的妈妈经常检查他的作业和日记本
B.
课间休息时教师王某在教室外面的走廊抽烟
C.
教师刘某止没有正确回答问题的学生站着听课
D.
教师李某课堂上让未掌握投篮动作的学生反复练习
查看完整题目与答案