公共英语考试

试题来源：公共英语三级-26
【单选题】 It can be learnt from the passage that the health benefits of exercise ______.
A．are yet to be proved
B．are to be further studied
C．are supported by scientific evidence
D．are self-evident

参考答案：C
网考网解析：
[解析] “As the popularity of exercise continue to mo... 查看试题解析出处>>