3.Questions 3 to 4 are based on the passages you have just heard.Listening to the recording
A. The first anniversary of the direct air-postal route between China and Russia.
B. The first anniversary of the direct air-postal route between Zhejiang and Russia.
C. The first logistics link of e-commerce ties between China and Russia.
D. The first logistics link of e-commerce ties between Zhejiang and Russia.