How many times does the heart beat in a day? The answer depends on the person. A littlebaby’s heart is smaller and it has to beat more often to do its job of __36__ the blood around thebaby’s body. Women are often smaller than men, so their hearts __37__ to beat more often thanmany men’s heats do. __38__ we exercise, we increase the need in our cells for energy and oxygen.The heart pumps faster __39__ exercise. So the heart beats more often in a day with a lot ofexercise.
For the same __40__ ,our hearts beat slower when we sleep because our bodies are resting andnot making such a big __41__ for energy and oxygen. The hearts of people who are __42__ fit beatfewer times in a day. Lots of other things like age, body size, and emotions can __43__ how fast orslow our hearts beat.
- A little baby’s heart rate is between 90 and 140 beats per minute. An adult’s heart rate ismore likely to be about 72 beats per minute. We can __44__ how many beats in a day usingmultiplication. So, you can be __45__ sure that
- A.bringing
- B.fetching
- C.moving
- D.taking
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假如你是黄海大学历史系的二年级学生李明，请写信给你校的Smith教授，代表学生会邀请他于五月份某周六给同学们做一场关于欧洲历史的讲座。具体题目请Smith教授自定，讲座时间约一个半小时，之后安排半小时的问答环节。
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I think there will be a day when digital cameras will substitute for traditional ones.
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What the old need most is that their children show much concern to them.
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To my surprise, the machine made sixty years ago is still in use in this factory.
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Senior management seem to be completely out of touch with their staff’s needs.
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It was ___________ (care) of him to leave the door unlocked when nobody was in.
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It is harmful to people’s health to take in too much salt and sugar every day.
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If the industry doesn’t ____________ (modern), it will not survive.
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Children should be taught how to ___________ (behavior) themselves.
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He is known as a ___________ (report) throughout the country.
2005年初级经济师考试《旅游经济专
初级旅游经济师试题及答案一
初级旅游经济师试题及答案二
2005年初级经济师考试《邮电经济专
初级经济师试题及答案1(邮电经济)
初级经济师试题及答案1(保险经济)
初级经济师试题及答案2(邮电经济)
初级经济师试题及答案2(保险经济)
初级经济师试题及答案3(保险经济)
2014年经济师初级考试真题《建筑经