ngocanh30012002 2/24/2024 9:23:46 PM

PASSAGE 5

drive

existed

operate

patterns

rough

signs

area

whereas

The planet Mars is very interesting to scientists because it is the closest and most similar to Earth. For example, Mars has seasons with different weather, (1) _________ other planets have the same temperatures all year round. Did life exist on Mars? To find out, scientists need to know if Mars ever had water. In 2004, two robot explorers, called Spirit and Opportunity were sent to Mars to look for (2)_________ of water. These rovers can (3) _________ over rocks and all kinds of (4) _________ ground. They can also (5) _________ cameras and send photos back to Earth. First, the two rovers found chemicals and (6) _________ in the rocks that were probably made by water. Then they moved to a single (7) _________ and found other rocks which may have been created by water. Now scientists think there was probably water on the planet long ago. They still don’t know if life ever (8) _________ on Mars. But they received a lot of important information that will help them in the future.

(Reading Explorer 1, Cengage Learning National Geographic)

 Chuyên đề 5. Đọc – Điền từ