1 . _____is known to all, China will be an _____and powerful country in 20 or 30 years or so.

A．That; advancing

B．This; advanced

C．As; advanced

D．It; advancing

2 . The book was published in January 2016 and has been _______(avail) in 12 languages.

3 . He was one of the most creative and ________ (innovation) engineers of his generation. (所给词的适当形式填空）

4 . He says the price of the house is not ________ (可协商的). (根据汉语提示单词拼写）

5 . My father really likes ________ (原始的) art on the walls of caves. (根据汉语提示单词拼写）

6 . I just want a good, ________ (rely) car, not too fancy. （所给词的适当形式填空）

7 . They were wandering in the street aimlessly, completely ________ (aware) of any danger approaching. （所给词的适当形式填空）

8 . It is an interesting ________ (science) phenomenon, but of no practical use whatever . （所给词的适当形式填空）

9 . Doctors have stressed that this is the most a________ (精准的) description of the medicine up to date. （根据中英文提示填空）

10 . Our plans need to be f________ (灵活的) enough to cater for the needs of everyone. （根据中英文提示填空）