小学六年级英语下册PEP课本

我知道
P29
Let's try
Listen and circle
A.cleaning the room B.watching the TV C.Arting picture

Let'talk
john:What did you do last weekend?
Wu:I played foodball.How about you?
john:I visited my grandparents.
Wu:Did you help them ciean their room?
John:yes,I did.
Let's find out
john:What did you do yesterday?
Wu:I listened to music.

P30
let' read
Wu Yifan was busy last weekend. He visited his grandmother
Saturday morning. It was his grandma's birthday The cooked noodles together......(实在打不下去了，哎，把分给我撒）

韩江中上游处于山区，水污染少，水质优,养育了汕头近三分之二的人口,近年来,广东近岸海域海水水质总体良好，大部分为清洁和较清洁，小部分受污染。轻度污染、中度污染和严重污染海域面积分别约为1 800km2、2 130 km2和3 100 km2，重污染水域主要集中在珠江口和韩江口海域。
监测项目 浓度范围 平均值 超标率% 一类海水水质标准
磷酸盐 0.005~0.432 0.014 33.3 0.015mg/L
无机氮 0.090~0.865 0.238 41.7 200 mg/L
化学耗氧量 0.19~1.94 0.82 0 2.0 mg/L
石油类 0.016~0.070 0.042 25 0.05 mg/L