题目内容:
In the last sentence of the second paragraph, "the higher places on earth" refers to ______.
A. the high mountains
B. the lighter rocks
C. the vast ocean
D. the great continent
参考答案:
In the last sentence of the second paragraph, "the higher places on earth" refers to ______.
A. the high mountains
B. the lighter rocks
C. the vast ocean
D. the great continent