一、记单词，背句子
1、clouds [k'laʊdz]
n.云( cloud的名词复数 )；团；群；造成不愉快或不明朗的事物
·a blue sky with fleecy clouds 飘拂着朵朵白云的蓝色天空
·There were ominous dark clouds gathering overhead. 不祥的阴霾在头顶上汇聚。
2、made [meɪd]
v.make的过去式和过去分词
- They were not made in china. 它们不是中国制造的。
- The monkey made a long arm for the peach. 猴子伸臂去摘桃子。
3、drop [drɒp]
vt.滴；使降低；使终止；vi.下降；终止；n.滴；水滴
·There's not a drop left. 一滴也不剩。
·Don't drop your chopsticks. 不要让筷子掉到地上。
4、sunshine [ˈsʌnʃaɪn]
n.日光，阳光
- She sat in the warm sunshine. 她坐在暖和的阳光下。
- What bright sunshine it is! 多么明亮的阳光呀！
5、 as [əz]
conj.按照；如同
- He got work in a hotel as a waiter. 他在一家旅馆找到了当服务生的工作。
- In the hotel, the old men were drinking away as usual. 在旅馆里，这些老人和往常一样喝个不停。
6、dark [dɑ:k]
adj.黑色的；暗的；黑暗的
- The night is too dark for us to see. 夜间太暗，我们看不见。
- The sky was dark blue and clear when the moon came up. 月亮出来时，天空是深蓝色的，非常晴朗。
7、thick [θɪk]
adj. 厚的；adv. 厚，浓，密
·She was still wearing her thick coat. 她仍穿着厚上衣。
·Her hair is very thick. 她的头发很浓密。
8、dust [dʌst]
n.灰尘，尘埃，粉末，花粉，土，骚乱vt.拂去灰尘，撒，弄成粉末vi. 拂去灰尘
- She swept the dust out. 她把灰尘扫出去。
- A lot of dust had blown in. 吹进来许多灰尘。
9、ground [graʊnd]
n.土地，战场，场地；adj.土地的，地面上的；v.放在地上，使...搁浅，打基础
- The baby is playing on the ground. 婴儿正在地上玩。
- He picked a pen from the ground. 他从地上捡起一支钢笔。
10、 part [pɑ:t]
n.部份，零件；角色，部位；vt.分开，分离，分配；vi.分离，离开；adv.部份地；adj.分离
- This is the broken part. 这就是损坏的部件。
- Which part do you play? 你演哪一个角色？
二、单词活用，阅读提升
Sometimes the sky is full of white clouds. But sometimes clouds look black. Where does the colour come from?
有时天空布满了白云，可是有时云看起来是黑的。这些颜色是从哪里来的呢？
Clouds are made of water or ice. But the drops of water in the clouds are not red or orange. The sun makes the colours in the clouds. Sunshine changes colour as it goes through the drops of water in the clouds.
云是由水和冰组成的。可是云中的水滴冰不是红色或橘黄的。太阳使云有了颜色。当阳光穿过云中的水滴是改变了颜色。
Clouds look dark because they are so thick. Lots of drops of water make a cloud. Very little sunshine can go through. Dust also makes clouds dark. Dust from the ground is blown into the sky. and becomes part of the clouds.
云看起来暗是因为云层太厚了。许多水滴组成了云，很少的阳光能穿透云层。尘埃也能是云变暗。地面上的尘埃被吹到空中时，它就成了云的一部分。
The colours of the clouds tell about the wether.
通过云彩的颜色能预报天气。
,
