题目内容
第三节：默写课文 (共10空格，每空格1分，满分10分)
Unit 4 …Finally about 2.6 million years ago some small clever animals, now with hands and feet, (91)_______________________. Thus they have, (92)___________, become the most important animals (93)____________. But they are not (94)_______________________. They are putting too much carbon dioxide into the atmosphere, which (95)_____________________ from the earth into space.
Unit 5 …After (96)_________________, the girl began to realize that Canada is quite empty. At school, they had learned that most Canadians live (97)____________________________of the USA border and Canada's population is only (98)________________________, but now they (99)______________ such an empty country. They (100)______________ a wheat-growing province and saw farms that covered thousands of acres.
91.appeared and spread all over the earth
92.in their turn
93.on the planet
94.looking after the earth very well
95.prevents heat from escaping
96.two days’ travel
97.within a few hundred kilometres
98. slightly over thirty million
99.were amazed to see
100.went through
