Read the following text. Choose the best word(s) for each numbered blank and mark [A], [B], [C] or [D] on ANSWER SHEET 1. (10 points)

Ancient Greek philosopher Aristotle viewed laughter as “a bodily exercise precious to health。” But __1___some claims to the contrary, laughing probably has little influence on physical fitness Laughter does __2___short-term changes in the function of the heart and its blood vessels, ___3_ heart rate and oxygen consumption But because hard laughter is difficult to __4__, a good laugh is unlikely to have __5___ benefits the way, say, walking or jogging does。

__6__, instead of straining muscles to build them, as exercise does, laughter apparently accomplishes the __7__, studies dating back to the 1930’s indicate that laughter__8___ muscles, decreasing muscle tone for up to 45 minutes after the laugh dies down。

Such bodily reaction might conceivably help _9__the effects of psychological stress. Anyway, the act of laughing probably does produce other types of ___10___ feedback, that improve an individual’s emotional state. __11____one classical theory of emotion, our feelings are partially rooted ____12___ physical reactions. It was argued at the end of the 19th century that humans do not cry ___13___they are sad but they become sad when the tears begin to flow。

Although sadness also ____14___ tears, evidence suggests that emotions can flow __15___ muscular responses. In an experiment published in 1988,social psychologist Fritz Strack of the University of würzburg in Germany asked volunteers to __16___ a pen either with their teeth-thereby creating an artificial smile – or with their lips, which would produce a(n) __17___ expression. Those forced to exercise their enthusiastically to funny catoons than did those whose months were contracted in a frown, ____19___ that expressions may influence emotions rather than just the other way around __20__ , the physical act of laughter could improve mood。

　　1.[A]among [B]except  [C]despite [D]like

2.[A]reflect [B]demand [C]indicate [D]produce

3.[A]stabilizing [B]boosting [C]impairing  [D]determining

4.[A]transmit   [B]sustain  [C]evaluate   [D]observe

5.[A]measurable   [B]manageable [C]affordable  [D]renewable

6.[A]In turn [B]In fact  [C]In addition  [D]In brief

7.[A]opposite  [B]impossible  [C]average [D]expected

8.[A]hardens   [B]weakens [C]tightens   [D]relaxes

9.[A]aggravate  [B]generate [C]moderate  [D]enhance

10.[A]physical  [B]mental  [C]subconscious  [D]internal

11.[A]Except for   [B]According to   [C]Due to  [D]As for

12.[A]with  [B]on [C]in  [D]at

13.[A]unless   [B]until [C]if  [D]because

14.[A]exhausts [B]follows  [C]precedes  [D]suppresses

15.[A]into  [B]from [C]towards   [D]beyond

16.[A]fetch  [B]bite [C]pick  [D]hold

17.[A]disappointed  [B]excited [C]joyful [D]indifferent

18.[A]adapted   [B]catered [C]turned [D]reacted

19.[A]suggesting [B]requiring  [C]mentioning   [D]supposing

20.[A]Eventually [B]Consequently  [C]Similarly [D]Conversely