题目

下列各项分别表示了猫和鼠的部分生命现象．请分析说明它们各属于生物的何种基本特征． （1）小猫长成大猫，这种现象属于． （2）一只母猫生下了3只小猫，这种现象属于． （3）夜晚猫的瞳孔会放大．这种现象属于． 答案：（1）生长现象； （2）生殖现象； （3）应激性．任务型阅读。        There are over 80 known pyramids in Egypt, but the Great Pyramid isthe largest of all.The Great Pyramid was built thousands of years ago for a king called Khufu. It is on the bank of the river not far from Cairo.  In fact, all the pyramids along the Nile are on the west bank. The ancient Egyptians compared the rising of the sun to the   beginning of life and the  setting of the sun to the end of life.  This is why their dead bodies buried on the west bank of the Nile.     It is hard to appreciate how big the Great Pyramid is.It has over 2,300,000 blocks of solid stones. These huge stone blocks weigh average two and a half tons each, as much as a small car, and some even weigh fifteen tons. Without modern machines the ancient Egyptians cut, moved and lifted each of the stones. Many blocks came from the east bank of the Nile, and they were taken across the river in boats at flood time. It took more than 100,000 slaves twenty years to build the Great Pyramid.1. The Great Pyramid was built in______________Egypt for a king called_____________  2. From the passage we can see that the Nile lies to____________the Great Pyramid.  3.  The kings were buried on the west bank of the Nile because_______________________．  4. Each of the stones____on average two and a half tons.  5. Thousands of slaves spent twenty years____the Great Pyramid.