八年级下册英语课时练答案人教版答案-八年级下册英语练习册答案（外研版）2017

Ⅰ、1、protect
2、conditions
3、achieve
4、succeed
5、include
6、nature
7、force
8、square
9、population
10、meters

Ⅱ、1、higher
2、the biggest
3、the deepest
4、the longest
5、countries
6、the most famous
7、the most popular
8、southwestern
9、themselves
10、trying

Ⅲ、1、most dangerous sport
2、One of the most popular places
3、The first people to reach the top
4、risk their lives
5、in the face of difficulties
6、never give up
7、The force of nature
8、As you can see
9、8850 kilometers long
10、part of
11、Almost as long as

Ⅳ、1、what
2、how high
3、deeper than any other
4、as long as

Ⅴ、1 - 5 C E D B A

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