Unit 4
Ⅰ. 写准核心单词 单词拼写
1. (2019·江苏高考)These are volcanoes so explosive that they burst (喷发) open in a single big crack, leaving behind a vast hole, the caldera.
2. (2019·北京高考)By the time she was 13, her company was worth millions of dollars with the invention of a super-sweet treat that could save kids’ teeth, instead of destroying/ruining(毁掉) them.
3. (2019·江苏高考)Her responsibility, her privilege, would be to rescue(拯救)it.
4. (2019·北京高考)When these organisms die, they bury (埋葬) carbon in the deep ocean, an important process that helps to regulate the global climate.
5. (2019·全国卷Ⅰ)The crowds might damage (毁坏) the beauty of the place. The glaciers(冰川) are disappearing, changing the face of Kilimanjaro.
6. (2019·江苏高考)Perhaps giving money for those less fashionable things such as digging wells, extending electricity(电) networks and making more affordable washing machines would have improved people’s lives more than giving every child a laptop computer or setting up Internet centres in rural villages.
7. (2018·北京高考)A rescue worker risked his life saving two tourists who had been trapped (被困) in the mountains for two days.
8. (2017·北京高考)There is an emergency shelter (避难所)in Winnipeg called“Hannah’s Place”, something that Hannah is very proud of.
Ⅱ. 会用拓展单词 单句语法填空
1. (2019·江苏高考)Understanding technological trends is very important for correctly desig