Official 36 Lec 2
Question 3 of 6
Why does the professor mention roads and canals?

A.

To describe the difficulties of hiking in the rain forest

B.

To indicate the kind of ruins initially revealed by the infrared images

C.

To point out what Saturno was initially searching for

D.

To emphasize recent improvements in transportation near San Bartolo

正确答案:B

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