Section I Use of English
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