题目内容
7．I need some help ___________ my computer．It ___________．（ ）| A． | on； doesn't work | B． | with； doesn't work | ||
| C． | in； isn't working | D． | with； isn't work |
分析 我需要一些帮助修理我的电脑．它不运行了．
解答 答案：B．根据题干，本句的意思是我需要一些帮助修理我的电脑．它不运行了．help with表示"在某方面帮助某人"，是固定短语；又根据work 是动词，需要助动词帮助否定，应用doesn't．故选B．
点评 本题考查介词的辨析，做题时注意固定短语的用法，并结合句意选择合适的选项．
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In a small population of patients，researchers （18）D more than 20，000genes to compare how the genes of lonely and non-lonely individuals （个体） express themselves in molecular processes （分子过程） and in personal health．They found that gene expression is （19）B in chronically （长期地） lonely people．"We now have a new way for understanding the relationship （20）B social experience and physical health，"explains the study's lead author，Steve Cole of University of California，Los Angeles．
"This study-the first to link （联系） （21）D with gene changes-is special and exciting，"says Emma Adam，a professor of human development at Northwestern University．"It （22）A in the black box．"
According to John Cacioppo，an author of the study from the University of Chicago，the
work suggests that loneliness is a warning （23）B，much like physical pain．"This feeling is so bad because （24）D of us wants to be forgotten； that's also what human means，"he says．"It makes us（25）C for other people and want to be with friends when we're lonely．"
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