1 . With professional and successful treatment in the hospital, he is now r______ from a heart attack. （根据首字母单词拼写）

2 . Scientist are i_________ the effects of diet on fighting cancer. （根据首字母单词拼写）

3 . The police are i__________ the robbery according to some clues. (根据首字母单词拼写)

4 . Scientists are i________(调查，研究)the effects of climate change on animals. (根据中英文提示填空)

5 . All these stadiums are still h________ (主办) the biggest events in world sport. (根据中英文提示填空)

6 . They are still __________(调查) the accident. （根据汉语提示单词拼写）

7 . Many people are ________ (遭受) economic hardship. (根据汉语提示单词拼写)

8 . Many people are __________ (遭受) from loss of sleep because of pressure. (根据汉语提示单词拼写)

9 . The community is _______________(呼吁) to everyone to save water. (根据汉语提示单词拼写)

10 . Owing to the serious environmental pollution, raw materials are d_________ sharply in numbers every year. （根据首字母提示单词拼写）