题目

对于可逆反应：2SO2＋O22SO3，△H＜0下列措施能使反应物中活化分子百分数、化学平衡状态都发生变化的是A．增大压强         B．升高温度         C．使用催化剂       D．多充O2 答案：B 完型填空 　　When I was in seventh grade, I was a candy striper(义工)at a local hospital in my town．I 　　1　　 about thirty to forty hours a week during the summer．Most of the time I spent there 　　2　　 with Mr．Gillespie．He never had any 　　3　　, and nobody seemed to care about his 　　4　　． 　　I spent many days there 　　5　　 his hand and talking to him, helping with 　　6　　 that needed to be done．He became a close friend of mine, 　　7　　 he responded with only an occasional 　　8　　 of my hand．Mr．Gillespie was in a coma(昏迷)． 　　I left for a week to 　　9　　 with my parents, and when I came back, Mr．Gillespie was gone．I didn’t have the 　　10　　 to ask any of the nurses where he was, 　　11　　 fear they might tell me he had died．So with many 　　12　　 unanswered, I continued to volunteer there through my eighth－grade year．　　13　　 years later, when I was a junior in high school, I was at the gas station when I noticed a 　　14　　 face．When I realized who it was, my eyes were filled with tears．He was 　　15　　! I asked if he was Mr．Gillespie．With an 　　16　　 look on his face, he replied yes．I explained how I knew him and that I had spent many hours talking with him in the hospital．Tears 　　17　　 up in his eyes, and he gave me the warmest hug I had ever 　　18　　． 　　Then he told me about his life and what 　　19　　 of him to put him in the coma．We cried for a while and exchanged a hug, said our good –byes and went our 　　20　　 ways． (1) [　　] A． undertook B． volunteered C． obtained D． participated (2) [　　] A． talked B． met C． was D． helped (3) [　　] A． visitors B． doctors C． nurses D． neighbors (4) [　　] A． condition B． expense C． accommodation D． comfort (5) [　　] A． catching B． seizing C． scratching D． holding (6) [　　] A． something B． nothing C． everything D． anything (7) [　　] A． as if B． even though C． because D． so (8) [　　] A． squeeze B． performance C． activity D． movement (9) [　　] A． interview B． communicate C． vacation D． discuss (10) [　　] A． chance B． courage C． time D． choice (11) [　　] A． in B． by C． for D． with (12) [　　] A． worries B． troubles C． cautions D． questions (13) [　　] A． Several B． Many C． Ten D． Few (14) [　　] A． strange B． familiar C． handsome D． curious (15) [　　] A． dead B． excited C． surprised D． alive (16) [　　] A． uncertain B． ugly C． unconscious D． unwilling (17) [　　] A． filled B． welled C． moved D． brought (18) [　　] A． given B． made C． received D． exchanged (19) [　　] A． occurred B． happened C． arose D． became (20) [　　] A． opposite B． different C． separate D． same