1、You become so deeply absorbed in anactivity that you lose track of time.(你是那么专注于一项活动，以致忘了时间。)
2、We have this massiveactivity sphere.(我们有这个巨大的活动范围。)
3、What's your favorite outdooractivity?(你最喜欢的户外活动是什么？)
4、They are busy preparing for a hectic day'sactivity on Saturday.(他们正忙着为星期六这一天热闹的活动做准备。)
5、Children are supposed to get 60 minutes of physicalactivity every day.(儿童应该每天获得60分钟的体育活动。)
6、The test records the electricalactivity of the brain.(这个测试显示出大脑的电流活动。)
7、If the weather is wet or cold choose an indooractivity.(如果下雨或是天气寒冷，就选择室内活动。)
8、Reading can be a socialactivity.(阅读也可以是一项社交活动。)
9、Baltimore in its heyday was a major centre of industrial and commercialactivity.(巴尔的摩在其鼎盛时期曾是工商业活动的主要中心。)
10、Business is a competitiveactivity. It is very fierce and very unforgiving.(商业是一种竞争性强的活动：很残酷，也不允许任何错误。)
11、Even if you are not prepared to work up a sweat three times a week, anyactivity is better than none.(即使你不准备1周流3次汗，任何活动总比没有要好。)
12、Parents encourage everyactivity imaginable.(父母鼓励一切可能的活动。)
13、It was a period of intenseactivity.(那是活动激烈的时期。)
14、He had been engaging in some kind of kinky sexualactivity.(他一直在进行一些反常的性活动。)
15、We love outdooractivity.(我们热爱户外活动。)
16、Volcanicactivity has created thermal springs and boiling mud pools.(火山活动产生了温泉和沸腾的泥浆池。)
17、Economicactivity often follows a cyclical pattern.(经济活动常常遵循周期性模式。)
18、The rehearsal studio is buzzing with lunchtimeactivity.(排练场被午餐时段活动搞得很热闹。)
19、Cooperativeactivity is essential to effective community work.(要把社区工作做好，协作活动是必不可少的。)
20、There may be a price to pay for such relentlessactivity, perhaps ill health or even divorce.(这样没完没了的活动可能是要付出代价的，也许是不良健康状况甚至是离婚。)
21、The index is the government's chief gauge of future economicactivity.(这个指数是政府对未来经济活动的主要判断标准。)
22、Hours of feverishactivity lay ahead. The tents had to be erected, the stalls set up.(长达数小时紧张忙乱的活动就在前面，帐篷要支起来，摊位要搭起来。)
23、Is the property or any part thereof used for commercialactivity?(这一房产或其中任何部分有用于商业活动吗？)
24、Does such anactivity constitute a criminal offence?(难道这样的活动也算刑事犯罪吗？)
25、Changes in the money supply affect the level of economicactivity and the interest rate.(货币供给的变化影响经济活动水平和利率。)
26、Physicalactivity is an important factor in maintaining fitness.(体育活动是保持健康的一个重要因素。)
27、After a day of air andactivity, you should be in the mood for a good meal.(在户外活动了一天，你应该想好好吃一顿。)
28、What is the new outdooractivity?(新的户外活动是什么？)
29、Mr. Dobson promised to widen the organization's scope ofactivity.(多布森先生答应扩大该组织的活动范围。)
