四六级考试

【单选题】 What is the distance between the Earth and the two areas of radiation
A．Between 12 and 21 miles
B．1,000 miles
C．150 miles
D．1,500 miles

网考网参考答案：A
网考网解析：
[试题分析] 本题测试的是文章的细节部分。 [详细解答] “These are two areas of radiation about 1,500 miles away from the earth”，答案自然揭晓。 查看试题解析出处>>