题目

He wanted to read more, so he asked his friends if there was _______ to read. A. something easy enough                          B. something enough easy C. enough easy something                          D. easy enough something   答案：A2012年中考体育跳绳项目测试中，小明同学在lmin内跳了150 次，则他跳一次绳做的功和跳绳时的功率大约是A．0.5J 0. 5 WB．30J 30 WC．30J 75WD．3600J 600 W