When he bent down to tie his shoelace, the belt of his trousers ______.A.ruinedB.crackedC.
When he bent down to tie his shoelace, the belt of his trousers ______.
A.ruined
B.cracked
C.broke
D.split
When he bent down to tie his shoelace, the belt of his trousers ______.
A.ruined
B.cracked
C.broke
D.split
A.herds of cattles
B.herds of cattle
C.herd of cattle
D.herd of cattles
A.jeans are likely to be a short-lived fashion
B.jeans are popular only in the United States
C.jeans are likely to be popular for a long time to come
D.jeans are no longer fashionable
A.It combines quantitative variables and qualitative variables.
B.It can be used to deal with only quantitative variables.
C.It helps to summarize properties of a group of data.
D.It helps to make predictions using a sample of observations.
M: Arm exercises? Is that because our arms are too fat or flabby?
W: Actually, that’s not the main reason. They say that arm exercises are an ideal way to become physically fit.
M: But don't arm exercises raise your blood pressure?
W: That they do. But the article I read mentioned ways to compensate for that.
M: How?
W: By adding leg exercise so the arms don’t do all the work. Arm exercises alone aren’t enough to increase metabolism before fatigue sets in. The more of a body that involves in the exercise, the better.
M: And in turn, I' m sure that there is a great chance of losing weight.
W: Sounds right to me.
M: So, what exercises do the experts recommend?
W: They mentioned quite a few. But some of the more popular ones are cycling with special bicycles that make you use both your arms and legs, and walking vigorously while wearing arms weights.
M: I must try that. I like to walk a lot.
According to the conversation, what is one problem with arm exercises?
A.They don’t get rid of flabby arms.
B.They can damage arm muscles.
C.They aren’t acceptable to most people.
D.They can raise one's blood pressure.
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