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For question 1, I agree that A is the correct answer. However, I still wonder why C is mentioned in the passage. The passage shows that a probe reveals a Mars without rivers, oceans but water activity can be present under other form, such as ground water. The conclusion of a Mars without water activ...
- by nathalie1107
Fri Oct 21, 2016 8:04 am- Forum: Reading Comprehension
- Topic: Life on Mars
- Replies: 5
- Views: 4382