A-A+
Chinese and Russian scientists have reposed th
问题详情
Chinese and Russian scientists have reposed that in places ______stress is building up, the radon levels of the water build up too.
A. what
B. that
C. which
D. where
参考答案
正确答案：D
[解析] 中俄科学家报告指出凡是气压增大的地方，水中氡含量也会增大。where引导定语从句修饰places。
