Bicycling and jogging are good exercise to train one’’s heart because they________.
A: require a lot of strength
B: are more interesting
C: can reduce one’’s weight
D: bring one’’s heartbeat to at least 120 a minute
A: require a lot of strength
B: are more interesting
C: can reduce one’’s weight
D: bring one’’s heartbeat to at least 120 a minute
举一反三
- What was confirmed by the Boston University Medical Center’s study? A: Controlling one’s calorie intake is more important than doing exercise. B: Even occasional exercise can help reduce weight. C: Weight reduction is impossible without exercise. D: One could lose ten pounds in a year’s time if there’s no increase in food intake.
- Practisig Chinese kung fu can not only ( ) one’s strength, but also develop one’s character. A: bring up B: take up C: build up D: pull up
- The passage tells us that smiling and laughing （）. A: have nothing to do with one"s heart rate B: do one no good when one is sad C: lower one"s blood pressure D: lower one"s body temperature
- The weather there can be a bit _______- one minute it's blue skies and the next minute it's pouring down.
- After having switched off the mains separator, wait for ___________ before switching it back on. A: one minute B: at least one minute C: more than one minute D: no more than one minute