1 . 当你看到某人受苦时，不要只是袖手旁观。请主动帮助他。
When you see someone suffer, don’t just __________. Please offer to help him.

2 . Every drop of water is precious. ________ when you brush your teeth. (不要让水龙头一直开着) （根据汉语提示完成句子）

3 . 根据句意，选择单词或短语并以其适当形式填空。

erupt     be curious about     rescue     sincerity     protection varied   disappearance   turn your back on       process     survive as if     all at once       run out   carry on       break down

1. The volcano________ last year, killing about 600 people.
2. Don’t ________ the difficulty and run away from it.
3. These plants cannot________ in very cold conditions.
4. They________ the people who lived upstairs.
5. Helicopters________nearly 20 people from the roof of the burning building.
6. Most of the food we buy is________ in some way.
7. Wear clothes that provide ________ against the wind and rain.
8. I was moved by the ________ of Scott’s and his team.
9. It is important that your diet is________ and balanced.
10. The snow will soon________when the warm weather comes.
11. He arrived late because his car ________ on the half way.
12. ________, he heard a shot and the soldier fell to the ground.
13. ---Would you please give me some hot water? ---Sorry, mine has ________.
14. After the death of Captain Oates, Scott and his team ________their return trip.
15. When I am with you at night, I feel ________it were a bright daytime.