题目

81. During those days, they have gained some obvious _______ (实际的) experience of work. 82. Can you make a ______________（差别）arts and science? 83. He was __________________(不幸的) to lose in the final round. 84. The weather ______________（渐渐地）improved. 85. I regret to tell you that’s where you are ___________(错误的). 86. The old scientist made great c_____________ to the development of Chinese education. 87. The s____________ Chinese characters are widely used in the mainland. 88. My home is near the school, so it’s c______________ to me to get there. 89小王家中的电能表如图所示，从表盘信息可知，他家接入的用电器总功率不能超过 w;当家里只有电磁炉工作时，电能表在1min内转90转，则电磁炉的电功率为 。