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【简答题】
如图为我们实验室所用电流表的内部结构示意图．当接入电路，有电流通过线圈时，线圈带动指针偏转．测量时首先把强弱变化的电流转换为线圈受力大小的变化，其物理原理是___________；再将线圈受力的大小转换为线圈偏转角度的大小，其物理原理是________________
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举一反三
【单选题】Which statement best describes 'dress-down days' ?
A.
On dress-down days, you can wear whatever you like.
B.
People's clothes on dress-down days don't receive much attention.
C.
We can't judge a person's taste by his clothes on dress-down days.
D.
People are usually more careful about what they wear on dress-down days than on other occasions.
【单选题】What can be a risk for interns to take in dress code?
A.
Dress the way one of the employees does.
B.
Dress like your boss.
C.
Dress as if you were a formal employee.
D.
Dress impressively in front of the clients.
【单选题】数字化是文化遗产保护的重要手段。如今，圆明园可通过数字重建，敦煌壁画有其无损分析体系，唐代公主的冠饰可利用虚拟技术呈现。这表明，科学技术的进步（） ①推动了文化资源传播和储存方式的变革 ②方便了人们的文化交流 ③增加了传统文化的基本内涵 ④丰富了文化传播的方式
A.
①③
B.
③④
C.
①②
D.
①④
【简答题】文化传播的主要方式有哪些？文化传播的主要途径有哪些？
【单选题】How can people dress appropriately while working?
A.
Men and women should adhere to the dress code.
B.
Men should never wear sandals to the office.
C.
Women should never dress provocatively in the office.
D.
All of the three.
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