1 . In recent years an English word “infosphere” has appeared, _______(combine) the meaning of “information” and “atmosphere”. (所给词的适当形式填空)

2 . Knowledge has become a_________(关键性的) factor in the progress of a country.(根据汉语提示单词拼写)

3 . Water is_________（必不可少的）to keep every living thing alive. (根据汉语提示单词拼写)

4 . Many experts _______________ (提倡) rewarding your child for good behavior.(根据汉语提示单词拼写)

5 . He had no_________（客观的）evidence that anything extraordinary was happening.(根据汉语提示单词拼写)

6 . I am an independent inventor and have had dozens of ________（专利）awarded to me in the past 35 years. （根据汉语意思填空）

7 . I will tell him the good news _________(instant) I meet him. (所给词的适当形式填空)

8 . He made a very thorough____(analyse) on the current situation. (所给词的适当形式填空)

9 . The article examines how the special__________（特征）of plastic can cause environmental problems.(根据汉语提示单词拼写)

10 . There’s absolutely no regulation of cigarettes to make sure that they don't include poisonous s______.(根据首字母提示单词拼写)