阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
Perhaps knitting our brows, setting our jaws, and narrowing our eyes into a serious, focused or determined 【小题1】 (face) expression can help us perform better and ease the stress. Game face, a look of great determination on the face of a game player, accounts 【小题2】 that.
【小题3】 (prove) game face could really help people handle physical or mental challenges, expert Richesin with several 【小题4】 (colleague) did some research. They designed two tests, both of 【小题5】 were simple to carry out. For the first, they asked 62 people to put hands in ice-cold water for a few minutes. The second experiment required participants to figure out 【小题6】 puzzle.
For each experiment, the participants 【小题7】 (divide) in half. One group were told to keep their expressions serious and determined. The other group were allowed to let their faces do whatever their faces felt like 【小题8】 (do) in the moment.
What was the result? The “game face” crowd, not only performed, on average, about 20% better, but also recovered from stress more 【小题9】 (effective).
“This will give us a better understanding of the benefits 【小题10】 (provide) by making a game face,” Richesin said in a release.