Since they are formed in the presence of water, the carbonate materials ___13___ were found in their tested sample, according to the researchers, also provided clues to Martian ___14___.

　　According to Leshin, the results of her team’s research shed light on the composition of the planet’s surface, ___15___ offering direction for future research.

　　“We now know there should be abundant, easily ___16___ (access) water on Mars,” said Leshin. “When we send people, they could scoop up the soil anywhere on the surface, heat it just a bit, and obtain water.”

　　参考答案Key:

　　1

　　according

　　2. very

　　3. percentage

　　4. up

　　5. scientifically

　　6. Findings

　　7. which

　　8. heated

　　9. collection

　　10. containing

　　11. had thought

　　12. over

　　13. that

　　14. Water

　　15. While

　　16. accessible

　　【词语注释】

　　scoop 铲子，挖出

　　rover

　　漫游者

　　chlorine 氯

　　isotopes同位素

　　【2015高考复习】阅读理解Men can be beautiful too，right?

　　China is going to host the 18th World University Student

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