任务一 图文匹配

1. ____ Polar ice areas are covered in thick ice and snow all year round. It's extremely cold, but penguins and polar bears live here, relying on the icy environment for their survival.
2. ____ Grassland is a large land with lots of green grass. Animals like horses and sheep run and live here. The grass grows well, making it a lively place full of natural energy.
3. ____ Wetland has plenty of water and soft soil. It's a great home for water plants and many birds, such as red-crowned cranes, which come here to live and find food.
4. ____ Desert is dry with little rain. The weather changes a lot—hot in the day, cold at night. Camels and cacti live here, showing amazing ability to survive in the harsh environment.
5. ____ The forest is a lively ecosystem, full of life and natural beauty. Many kinds of animals, like squirrels and various birds, live here. There are also different plants, such as shrubs and flowers.

Near my home, there is a small lake with a walking path. We would drive there a few times a week and take a ____ around the lake. Being so ____ to nature always filled me with an unspoken sense of ____ and peace.
One autumn day, ____, I noticed that the path wasn't looking so good. It was ____ with trash dropped by other people. The next time my kids and I went, I ____ a large trash bag. As we walked, we noticed pieces of trash every few metres and bent down to ____ them up and put them in the bag. There were candy wrappers, plastic bags, bent cans, and ____, a single tennis shoe. We ____ every piece we saw. It took us more than twice as long to ____ the loop(一圈) around the lake, but we felt deeply ____ and proud.
Before we got back in the car, I ____ the almost full trash bag into a nearby bin. I looked back at the lake shimmering(闪烁) in the sunlight and smiled. We hadn't made the lake more ____, but we had at least ____ some of the things that spoil(破坏) it. It felt like we had done our part, a small way to express our ____ for the glorious world we live in.
( ) 1. A. walk B. ride C. jog D. visit
( ) 2. A. open B. kind C. close D. respectful
( ) 3. A. honour B. duty C. choice D. joy
( ) 4. A. moreover B. however C. therefore D. instead
( ) 5. A. left B. littered C. spread D. supplied
( ) 6. A. brought B. bought C. ordered D. sent
( ) 7. A. mix B. pack C. pick D. step
( ) 8. A. naturally B. finally C. unluckily D. surprisingly
( ) 9. A. put B. collected C. swept D. picked
( ) 10. A. finish B. start C. mark D. run
( ) 11. A. touched B. encouraged C. satisfied D. relaxed
( ) 12. A. threw B. divided C. poured D. turned
( ) 13. A. valuable B. popular C. beautiful D. important
( ) 14. A. found out B. worked out C. given away D. taken away
( ) 15. A. pity B. thankfulness C. excitement D. friendship