Part I 用所给的适当形式填空 awareness cultural curl contact diplomat gesture facial broaden embarrass 1) She sat with her legs ________ under her . 2) There has been an increasing ________ of environmental problems since the 1980s . 3) Researchers found that ________ differences may sometimes lead to misunderstandings. 4) Sarah made a menacing (威胁的) ________ with her fist. 5) He was ________ by the questions about his private life. 6) He has worked as a ________ in the US, Sudan and Saudi Arabia. 7) You can tell whether people are joking by observing their ________ expressions. 8) After the two had quarreled, they avoided eye ________ all evening. 9) The journey to the west ________ our mind.