课文句子背诵：写在二卷答题纸相应位置上，写在其他地方该题不得分（共10分）(每空一词)

81. So whether life will continue on the earth for millions of years ①____  _____ will depend on whether this problem can be ② _______.

82.The universe began with a “Big Bang” that threw matter ③_____ ______ ________.

83. She is ④______ a busy life but she says : Once I stop, it all comes ⑤_______  ________ and I remember the chimps in laboratories.

84. ⑥_________ reading made me realize that it was hard work and determination as well as her

⑦_______ ________ that got her into medical school.

85. They went through a ⑧________  province and saw farms that ⑨ _________thousands of acres.

After dinner, they were back in an ⑩_______ area , the busy port city of Thunder Bay at the top of the Great Lakes.