●核心句型
1. 尼罗河和黄河都帮助了古代文明的发展。
the Nile the Yellow River helped ancient civilizations .
2. 我们应该不惜任何代价保护它们。
We should protect them .
3. 中国最大的沙漠是什么？
What’s in China?
4. 黄河长5 464千米，是（中国）第二长河。
The Yellow River is 5,464 kilometres and is .
5. 一些深海动物是盲的，但它们能像其他动物“看”得一样好。
Some deep-sea animals are blind, but they can “see” others.
6. 珠穆朗玛峰是世界上最伟大的奇观之一，并且它仍然在变高。
Mount Qomolangma is one of of the world, and it is still .
7. 当我们越靠近瀑布，水的声音慢慢地变得越来越大。
As we went the falls, the noise of the water slowly grew .
8. 人们为什么仍然冒着生命危险去爬世界上最高的山呢？
Why do people still to climb the highest mountain in the world?
9. 它占地345 000平方千米，包括许多座岛屿和白色的沙滩。
It 345,000 square kilometres and includes many islands and white .
10. 对于那些喜爱海洋的人来说，参观大堡礁是个终身的梦想！
people love the ocean, the Great Barrier Reef is !

1. Both, and, to develop 2. at all costs 3. the biggest desert 4. long, the second longest
5. as well as 6. the greatest wonders, growing taller 7. closer to, louder and louder
8. risk their lives 9. takes up an area of, sand beaches 10. For, who, visiting, the dream of a lifetime

一、语法填空之基础训练:根据语境,在空白处填入恰当的单词或用括号内所给单词的正确形式填空。
1. My whole family watched Mi-lano Cortina 2026 Olympic Winter Games in Milan and it was a(n) (usual) experience.
2. Shenzhou-21 (successful) sent Chinese astronauts into space.
3. The experienced (climb) knows how to stay safe in the mountains.
4. The (north) part of China is famous for its beautiful snow scenery in winter.
5. The weather in the city is (change). You should pay attention to it.
6. We must finish the rescue work all costs before the storm gets stronger.
7. Early (explore) crossed oceans by ship to find new lands.

1. unusual 2. successfully 3. climber 4. northern 5. changeable 6. at 7. explorers