38. To improve the air quality of the city, it is _____ that all residents join hands to cut down air pollution by 20% in the next five years.
(A)adaptable
(B)eccentric
(C)imperative
(D)outrageous

To improve the air quality of the city, it is (C)imperative that all residents join hands to cut down air pollution by 20% in the next five years. 
(A)adaptable   可適應的
(B)eccentric     古怪的人
(C)imperative  緊急的 重要的
(D)outrageous 可憎的

imperative: 極為重要的
adaptable: 有適應力的
eccentric: 怪異的
outrageous: 無禮的、令人憤怒的 (ex. outrageous behavior)

To improve the air quality of the city, it is imperative that all residents join hands to cut down air pollution by 20% in the next five years.

為了改善城市的空氣質量，在接下來的五年中，所有居民必須攜手努力，將空氣污染減少20％。

To improve the air quality對應it is imperative

To improve the air quality of the city, it is _____ that all residents (should) join hands to cut down air pollution by 20% in the next five years.

It is ADJ that S should VR. 

ADJ: imperative, important, crucial.....

To improve the air quality of the city, it is _____ that all residents join hands to cut down air pollution by 20% in the next five years.

(A)adaptable

(B)eccentric

(C)imperative

(D)outrageous

為改善城市空氣質量，在未來五年內，全市居民齊心協力減少20%的空氣污染是_____。

(A) 可適應

(B) 古怪

(C) 勢在必行

(D) 離譜