A-A+
The word here underlined in Paragraph 4 ref
问题详情
The word "there" underlined in Paragraph 4 refers to ______ .
A．our own planet
B．the outer surface of the sun
C．the core of a black dwarf
D．the planet mercury
参考答案
正确答案：A
解析：词义题型见最后一段最后两句：最后一句中的there指的是上一句的主语the Earth，因此答案为A。
