A:a tall man in his thirties stepped
B:stepped a tall man in his thirtie
C:did a tall man in his thirties ste
D:did a tall man step in his thirtie
书面表达有一种节约叫光盘,有一种公益叫光盘!所谓光盘,就是吃光你盘子中的食物。拒绝浪费,珍惜粮食!针对这项行动,并根据以下提示,请你以No Wasting On Food为题写一篇短文,号召大家参与这项活动。注意:1. 短文必须包括所有内容要点,可适当发挥;2. 短文标题与开头已为你写好,不计入总词数;3. 词数:80左右。
No Wasting On FoodRecently, nearly 26 restaurants in Yancheng have joined the “Clearing Your Plate” campaign(活动)against wasting food by offering smaller dishes.
某质点的位移随时间而变化的关系式为s=4t﹣2t2(m),则质点的初速度与加速度分别是( )