C10-Test 4-S3 中 Sources of information 讨论 Question 1 正确答案:A E Question 2 正确答案:B C Question 3 正确答案:d Question 4 正确答案:f Question 5 正确答案:g Question 6 正确答案:b Question 7 正确答案:e Question 8 正确答案:c