問題詳情
(A) People who sleep less than six hours per night or more than eight are more likely to suffer heart problems thanpeople who sleep between six and eight hours, said a U.S. study. The findings confirm 6 in previous, smallerstudies, but are based on a nationally representative sample of 3,000 people. The subjects were people over age 45who 7 a survey of health issues in U.S. households. They were asked to describe their sleep 8 and werealso asked if they were ever told they had heart ailments. People who said they got too little sleep were two timesmore likely to have a stroke or heart attack and 1.6 more likely to have congestive heart failure 9 people whoslept between six and eight hours nightly. 10 these findings, it seems getting six to eight hours of sleep everyday probably confers the least risk for cardiovascular disease over the long term, the researchers said.
【題組】6.
(A) that
(B) them
(C) those
(D) which
參考答案
答案：C
難度：非常困難0.192308
統計：A(5),B(5),C(5),D(11),E(0)
用户評論
【用戶】“勞謙君子，有終吉”
【年級】大一下
【評論內容】美國一項研究表示，睡眠時間不超過6小時或超過8小時的人比睡眠6到8小時的人更容易患心臟病。調查結果證實了之前的一些小型研究，但基於全國具有代表性的3,000人的樣本。受試者是45歲以上的人，他們參與了美國家庭健康問題調查。他們被要求描述他們的睡眠模式，並問他們是否曾告訴他們有心臟病。那些說自己睡眠過少的人比中途停留6-8小時的人更容易中風或心臟病發作兩次，充血性心力衰竭的可能性更高。根據這些研究結果，研究人員說，每天進行六至八小時的睡眠可能會使心血管疾病的長期風險降至最低。