Most middle-aged people get fatter, mainly because ______.
A: they made dietary changes when they grow old
B: of their sedentary living
C: they don't exercise regularly
D: the chemical activity in their body that uses the food to produce energy slows down
A: they made dietary changes when they grow old
B: of their sedentary living
C: they don't exercise regularly
D: the chemical activity in their body that uses the food to produce energy slows down
举一反三
- Middle aged people may feel subhealth, because _______. A: they have lost their living hopes B: they have more pressure in life and work C: they have used up their energy D: they begin to get energy
- Why does a lack of sleep cause people to gain weight A: Because people burn fewer calories when they are awake. B: Because people feel hungry when they lack sleep. C: Because their hormones stay unchanged. D: Because people don"t exercise when they don"t have enough sleep.
- When people grow old, they tend toon the past mostly because their living conditions are not as good as before. A: cling B: stick C: hold D: dwell
- Middle-aged people may feel subhealth, because（）. A: they have lost their living hopes B: they have more pressure in life and work C: they have used up their energy D: they begin to get older
- Most people can't read and comprehend quickly mainly because ________. A: they don't read groups of words B: they don't like to be trained in reading skills C: they don't realize they have poor reading habits D: they don't understand words when put together