1 . It has e________ (提高) the quality of my life, improving my health and increasing my happiness. （根据中英文提示填空）

2 . According to the report s_________ by researchers, about 23 percent of all annual carbon dioxide emissions are caused by the destruction of tropical forests. (根据首字母单词拼写)

3 . M_________ of college graduates pour into big cities every year, seeking well-paid jobs and bright futures. (根据首字母单词拼写)

4 . You should ________ (交换，交流) ideas with your classmates after you finish reading the novel.（根据中文提示拼写单词）

5 . Investigations have indicated that the virus was most likely to o________ (起源)from the seeds. （根据中英文提示填空）

6 . R _________ of gender, race and class, a genius comes from those with intelligence, creativity and perseverance. (根据首字母单词拼写)

7 . President Xi Jinping has proposed the “clear your plate” campaign, aimed at ________ (消耗，摄取) food normally, and stopping wasting food. （根据汉语提示单词拼写）

8 . New research data from earthquake zones is helping architects to design safer buildings that will not be d________________(破坏) during an earthquake.

9 . A lot of supplies, provided by the global community has not prevented people there from s________________（遭受痛苦）. (根据中英文提示单词拼写)

10 . O________ (明显地，显而易见地), when your older brother is doing it, you think it’s a cool thing to do. (根据中英文提示单词拼写)