1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
Fish can remember things for ______ seconds(秒) .
seven
amazing
Fish sleep with their eyes open.
We sleep with our eyes closed(闭着). What about fish?
鱼睁着眼睛睡觉
amazing
What’s amazing?
can not look up at the sky.
Pigs
funny
the back of elephants’ feet
There are no bones (骨头) _______________ elephants’ feet--- only _____.
in the back(后部) of
fat(脂肪)
feet
大象的脚背没有骨头，只有脂肪。
Our eyes are the same size from birth,
but our nose and ears never stop growing.
我们的眼睛从出生起就大小不变，
但我们的鼻子和耳朵从不停止生长。
Earth
Sun
times(倍)
larger than
one million
three hundred thousand
The Sun is about 1,300,000______
_____ ____ the Earth.
太阳的体积是地球的约130万倍。