A.An unhealthy diet.B.Irregular periods of sleep.C.Sitting too long surfing the Intern
A.An unhealthy diet.
B.Irregular periods of sleep.
C.Sitting too long surfing the Internet.
D.Using good monitors.
A.An unhealthy diet.
B.Irregular periods of sleep.
C.Sitting too long surfing the Internet.
D.Using good monitors.
A.Leading to an unhealthy and sedentary lifestyle
B.Staring at a computer for many hours causes eye strain or headaches.
C.The reduction of face-to-face interaction causes social isolation.
D.Wasting too much tim
Trees become unhealthy if the gardener______.
A.allows too many branches to grow in the middle
B.doesn't protect them from the wind
C.forces them to grow quickly
D.damages some of the small branches
Which costs the most?
A.A banana diet.
B.A steak diet.
C.An egg diet.
A.Y
B.N
C.NG
To knowingly allow oneself to pursue unhealthy habits is compared by Fries and Crapo to
A.improving the quality of one's life.
B.limiting one's personal health choice.
C.deliberately ending one's life.
D.breaking the rules of social behavior.
根据短文,回答1~20题此处正确答案是[A]humid[B]unhealthy[C]unbearable [D]crisp
If a woman is 1.6m tall and weighs 49 kg, she___________
A. is considered within the desirable weight-height range
B. is definitely unhealthy
C. should be considered fat
D. should not be considered unhealthy
According to the above article ______.
A.to like a pig is to be "piggish"
B.immunization of pigs is commonplace
C.eating pork is unhealthy
D.pet owners would never think of eating their pigs