题目

根据句意及首字母提示完成单词 1. I don’t like to eat oranges because they are too s . 2. There aren’t many c in the restaurant because of the bad weather. 3. There was only one apple, so mum d it into two halves and give them to us.4. Many Olympic champions are regarded as h in our country. 5. It’s hard to become a p basketball player. You have to work hard. 答案：1. sour 2. customers 3. divided 4. heroes  5. professional如图所示，一木块在光滑水平面上受到一个恒力F作用而运动，前方固定一个轻质弹簧，当木块接触弹簧后，下列判断正确的是 A．将立即做匀减速直线运动 B．将立即做变减速直线运动 C．在弹簧弹力大小等于恒力F时，木块的速度最大 D．在弹簧处于最大压缩量时，木块的加速度为零