2speaking内容摘要:
do you think are facts? 1) ____________________ gathered _____________. 2) The group was __________outside the factory to protest _____________. 3) The meeting ended when _________ arrived. the pany the demonstrators A group of niy people outside the factory demonstrating pollution the police Thinking 3. What would be a good headline for each story? • For the first report: A. Troublemakers Stop Workers B. Demonstrators Attacked by Factory Workers C. Activists Protest Against Polluter • For the second report: A. Caring Citizens Take Action to Save the Pla B. Workers Attacked by factory Workers C. Troublemakers Fight With the police Describe a person in different ways • The following example is to describe a person in a positive way. Can you use a negative way to give descriptions? • Jane is a great friend. She is always happy and likes to laugh. She always has good advice for others and is eager to lend a helping hand when someone is in trouble. Best of all, she is kind to everyone and always says nice things about others. • Jane isn’t a very good friend. She is never serious and she just laughs all the time. She always tells other people what to do and what not to do. Worst of all, she never tells people what she really thinks about them but just says nice things to everyone she meets. Listening on Wor。2speaking
相关推荐
储备区 学习 探究区 自我 检测区 本学案栏目开关 知识 储备区 学习 探究区 自我 检测区 三、描述圆周运动的各物理量之间的关系 [ 问题设计 ] 沿半径为 R 的圆周做匀速圆周运动的物体运动一周所用的时间为 T ,则物体的线速度是多少。 物体运动的角速度是多少。 物体的线速度与角速度的关系如何。 答案 v =st =2π RT , ω =Δ θt =2πT . 线速度与角速度的关系为 v =
第二步 ,在随机数表中任选一个数 ,例如选出第 8行 第 7列的数 7. 随机数表法 (为了便于说明 ,下面摘取了表的第 6行至第 10行) . 16 22 77 94 39 49 54 43 54 82 17 37 93 23 78 84 42 17 53 31 57 24 55 06 88 77 04 74 47 67 63 01 63 78 59 16 95 55 67 19 98 10
分离的方法。 在条形滤纸的一端滴上待析混合物溶液试样(或在圆形滤纸中心附近滴试样),晾干后,将滴试液的一端浸入展开剂中约 1cm(圆形滤纸则在圆心处穿一小孔,插上用滤纸做的纸芯,再将纸芯浸入展开剂中),展开剂即由滤纸上的毛细管作用,带动试样中的各组分以不同的速度上升展开(圆形滤纸则左环形展开),从而使试样中的各组分得到分离。 当分离无色混合物时,还要用显色剂显色。 d、纸上层的析具体操作 d
C 从某一位置出发又以同一运动方向回到这个位置所用的时间 描述简谐运动的物理量 相位: 用来描述周期性运动在各个时刻所处的不同状态 简谐运动的表达式 简谐运动的位移和时间的关系可以用图象来表示为正弦或余弦曲线,如将这一关系表示为数学函数关系式应为: )s i n ( tAx振动方程中各变量的含义: 振动方程是 位移 x随时间 t变化的函数关系式(位移方程) . A 代表