题目内容
根据情景和句意在句子的空白处填写一个适当的单词。
The ________ of ozone around the earth protects us from the sun．
Nowadays, many young students go abroad to ________ their studies．
With its world-famous ________ such as the Great Wall and the Summer Palace, Beijing is one of the most famous cities in the world．
There are quite a lot of ________ spots in Tibet．
Every year, French film festivals, exhibitions and concerts are ________ all over the world．
We can ________ electricity into different forms of energy such as light energy．
