A. the person may have normal blood pressure but too close to the standard level
B. the person may have lower diastolic pressure while the systolic one is normal
C. the person may have higher systolic pressure while the other one is normal
D. the person may have good blood pressure level
From the light pressure, we can know how deeply a finger is pushed into water at
Questions 5 to 7 will be based on the following news item.-|||-5.A)27 years old.
[单选题]We can infer from the passage that_____.［A］ Shearer has experienced many violent incidents ［B］ new tools have been used to investigate terrorists［C］ FBI has been active in the war on eco-terrorism ［D］ ELF openly declares its beliefs and ends
[单选题]F．rom the survey，we can see that_____．A．TV has become the major source of newsB．newspapers are no longer the major source of newsC．more than half of the 18-to-34-year-olds visit Internet news sites dailyD．new technologies can still not replace the tr
Teenagers of 15 or 16 years old may work for 8 hours on Saturdays and 35 hours d
[单选题]Under stress, people's blood pressure goes up, _________their race or sex.A． whicheverB． no matter howC． whetherD． no matter what
Blood pressure helps move-|||-blood (46) __ your body.It is-|||-often(47) __ by
He made ____ for an old person on the bus.A. roomB. roomsC. a roomD. some rooms
[单选题]Yoga May Help EaseHigh Blood PressurePeople who followthe ancient practice
[单选题]Yoga May Help EaseHigh Blood PressurePeople who followthe ancient practice