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【判断题】
教师应该重视课堂生成。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】A．He made a sudden turn. B．He tried to avoid hitting the truck. C．He was pursued by the running dog. D．A girl riding a bike crashed into his car.
【单选题】He tried to avoid ______ my questions in class.
A.
to answer
B.
answering
C.
having answered
D.
to have answered
【单选题】在一线圈回路中,规定满足如图 17.5 所示的旋转方向时,电动势 e , 磁通量 F 为正值。若磁铁沿箭头方向进入线圈,则有
A.
d F /d t < 0, e < 0
B.
d F /d t > 0, e < 0
C.
d F /d t > 0, e > 0
D.
d F /d t < 0, e> 0
【简答题】如图，已知正四棱锥P-ABCD的底边长为6、侧棱长为5.求正四棱锥P-ABCD的体积和侧面积． A
【简答题】已知正四棱锥的底面边长为 a ,侧棱长为 2 a,求侧面积和全面积 .
【单选题】He tried to avoid the barrier to his carrying out the plan.
A.
root
B.
obstacle
C.
danger
D.
advantage
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