大学英语：One afternoon while she was preparing

　　1. One afternoon while she was preparing(从one afternoon 可以判断出是过去时;从连词while可以判断出是进行时态，所以为过去进行时)dinner in her kitchen，Anne Peters，a 32-year-old(有连字符时不能加复数)housewife，suddenly had severe pains in her chest accompanied(过去分词做后置定语，表被动，是伴随的意思)by shortness of breath.

　　2. Frightened(由于此处表示主语Anne自己的情感，所以使用frighten的过去分词frightened) by the thought that she was having a heart attack， Anne screamed for help.

　　3. Uneasy(心神不安的，不舒服的)-easy

　　4. They often become easily frightened or feel uneasy in situations where(定语从句中缺少地点状语) people normally would not be afraid.

　　5. Many claim that psychological stress could be a logical cause， but as yet， no evidence has been found(完成时的被动语态) to support this theory.

　　6. It is reported that+从句 据报道;it is generally agreed that+从句 大家认为

　　7. Danger (n.危险)-endanger(v.使危险)

　　Text B Sleepwalking——Fact or Fancy?