Ⅰ．单词拼写
1．Do remember to pull out charger when the ________(电池) is full.
2．After much thought, we came up with a good ________(解决办法).
3．The car is a convenient means of ________(运输方式), but we have made it our way of life.
4．The Greens would have arrived on time, but their car had a ________(平坦的) tyre on the halfway.
5．I think water and ________(电) are the most important in our life.
6．Environmental protection has become a g_________ event，and every country in the world should pay attention to it.
【答案】1．battery 2．solution 3．transport/transportation
4．flat 5．electricity 6．global
