举一反三
- Heather and Myrtle have the same tastes. Heather is paid $10 an hour and chooses to work 9 hours a day. Myrtle is paid $9 an hour for the rst 8 hours she works and $18 an hour for any time she works beyond 8 hours a day.
- Two groups of people are compared in the third study. They are people______. A: with less than5 hours of sleep a night and with 7 to 9 hours of sleep B: who slept 4 hours a night and who slept 4 hours for 2 nights C: with less than 4 hours of sleep a night and with 7 to 9 hours of sleep D: with less than 5 hours of sleep a night and with 8 hours of sleep
- Nephrotic syndrome ( ) A: If proteinuria is 0.5 gm / 24 hours B: If proteinuria is 1gm / 24 hours C: If proteinuria is 2gm /24 hours D: if proteinuria is more than 3.5gm / 24 hours
- After working for twenty hours without any rest， the doctors were _______.
- The second stage of laborina primiparawithout epidural anesthesia should last nomore than A: 1 hour B: 2 hours C: 3 hours D: 1.5 hours
内容
- 0
According the experts, when headset sound reaches 110 decibcls, it can be used at most for ______. A: one hour B: two hours C: half an hour D: three hours
- 1
Because of the demands of work and managing a household, 35 to 44-year-olds spent only 4.3 hours engaged in leisure activities, less than any other age group.
- 2
How many hours before the departure should you call to ask for cancellation of your flight？ A: 10 hours B: 12 hours C: 18 hours D: 24 hours
- 3
If a person spends more than 3 hours a day on a mobile phone, then that person is likely to sleep less than 8 hours each night.[input=type:blank,size:4][/input]
- 4
According to a recent survey, on any given day, _______, 3 hours watching television and 2 hours in miscellaneous activities like eating, dating, bathing, etc.