1 . Owing to the severe environmental pollution, this species of bird is ________ (减少) in numbers every year. (根据汉语提示单词拼写)

2 . We are constantly ________ (努力) to improve our service. (根据汉语提示单词拼写)

3 . It’s widely noted that a lot of traditional customs are d________ along with the development of the society. (根据首字母单词拼写)

4 . Scientists are c___________________(宣称) a major breakthrough in the fight against cancer. (根据中英文提示单词拼写)

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

6 . If you are c________ the food, it’s polite to talk after you swallow it down. (根据首字母单词拼写)

7 . The experts are __________(探索) every part of the island. (根据汉语提示单词拼写)

8 . The government is a___________ to the citizens to use paper bags rather than the plastic ones for the sake of environmental protection. （根据首字母单词拼写）

9 . The world economy is gradually r________ from the global financial crisis. (根据首字母单词拼写)

10 . He hasn’t come to school yet as he’s still _________ (康复) from his operation. (根据汉语提示单词拼写)