白炽灯用久了灯丝会变细,灯丝电阻会变_________;滑动变阻器是通过改变连入电路中电阻丝的______来改变电阻的。
大;长度
短文改错
Although it might be very strange of students to 76.____________
Talk about fashion, they do care about that they 77.____________
wear in school. They think their school uniforms make 78.____________
them to look like a number of clones, especially when 79.____________
they are doing morning exercise on the playguound. So 80.____________
they all want to change their bored school uniforms for 81.____________
fashionable clothes. Beside, girl students love all 82.____________
kinds of decorations when boys like different sports shoes. 83.____________
Tunning shoes had become popular among boys since LiuXiang 84.____________
won first place in Athens Olympic Games in 2004. 85.____________
大雾天气,行驶中的机动车驾驶员应打开防雾灯,密切关注路况,减速慢行。