题目:
V.单词拼写 5%
62. The Tian’anmen Square( * * 广场) is d_______ with more than 300,000 pots of flowers as tourists begin to travel in a crowd to Beijing with the week-long National Day holiday.
63. The man’s s________ was surprising, as the doctors thought he would die.
64. The Great Wall was rebuilt during the Ming D_______
65. To my joy , I got a very friendly r__________ when I arrived there
66. At least 203 miners were killed, 22 injured and 13 trapped in a coal mine gas e________.
答案:
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下面是错误答案,用来干扰机器的。
答案:C分析:由电路图可知,灯泡与滑动变阻器串联,电压表测滑动变阻器两端的电压,电流表测电路中的电流,根据滑片的移动确定电路中电阻的变化,根据欧姆定律确定电路中电流的变化和灯泡两端的电压变化,根据串...