2. 职称英语
  3. It has been estimated that only 21 percent of______world’s land surface can be c

It has been estimated that only 21 percent of______world’s land surface can be c

游客2025-02-02  25
问题 It has been estimated that only 21 percent of______world’s land surface can be cultivated and that only 7.6 percent is actually under______cultivation.
选项 A、/.../
B、the...the
C、/...the
D、the.../
答案 D
解析
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