题目内容
It’s high time that we( begin) ______ our lessons now.
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Joe’s parents visited him at college last week. Before their plane landed, it flew over the campus, and they got a good view of the college from the air. Joe (11) the college buildings and grounds, and he wanted to show his parents everything. First, they walked around the (12) and looked at the buildings from the outside, and then Joe took them through the library and the science building. They went (13) the halls of science building, looking into the (14) . After that, they went across the sports field. Joe’s father had been a sportsman before. He said that going onto the field made him (15) a young man again.
Walking is the earliest and simplest from exercises. By putting one foot in front of other, you can start to walk your ways towards a healthier life-style. Walking is an easy way to challenge the cardiovascular system (心血管系统),while at the same time building muscles. But to achieve these goals, a little more than a gentle walk around the block is required. Walking actually burns as many calories (卡路里) as running the same distance - if done in the correct manner and at a reasonable pace (步伐). Start with a basic program that you can complete three or four times a week. This should include five main steps: -A beginning warm-up for about 5 minutes. -A little bit faster period of 5 minutes at medium level (中等速度). -A 10 minutes "burning" at a higher level. -A 5 minutes slow down period at a medium level. -A 5 minutes cool down period at a low level again. -A suitable walking pace of around 5 kilometers per hour will burn around 80 calories in 30 minutes. Which of the following is TRUE about the suggested walking program
国际经济联盟组织对市场营销有哪些重大影响
Much thought has been given over the recent years to ways of keeping meetings short.
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