题目

关于惯性，下列说法中正确的是 （ ）A. 物体在静止时不容易被推动，所以物体在静止时比运动时惯性大B. 物体高速运动时不容易停下来所以物体速度越大，惯性越大C. 当物体没有受到力作用时，物体就不能保持匀速直线运动或静止状态D. 惯性是物体的固有属性，任何物体在任何情况下都有惯性 答案：【答案】D【解析】试题分析：A、B、因为惯性是物体固有的属性，惯性的大小是由物体的质量决定的，所以与物体的运动状态和运动的速度无关，故A选项和B选项说法错误；C、根据惯性定律可知，当物体没有受到力作用时，保持匀速直线运动或静止状态，故C选项说法错误；D、由于惯性是物体固有的属Welcome to the website of the Wensum Valley Birdwatching Society (WVBS).The WVBS is an active and friendly Norfolkbirdwatching society with more than 100 members. We welcome new members and membership(会员资格) is open to all.We holdindoor meetings, with a guest speaker, on the third Thursday of each month at Western Longville Hall for All and organize bird-watching field trips each month.The WVBS covers the area of the Wensum Valley in Norfolk which follows the River Wensum between Norwich and Fakenham.We have a good mix of experienced birders and beginners and we are always happy to welcome new members and visitors to any of our activities. (If you are interested in joining, follow the heading for “Join Us”). It is our hope that our activities will foster(培养) an interest in birds and encourage a wider appreciation(欣赏；评价) of our natural world—— an ever more important task as more demands are being made on our environment.We look forward to welcoming you.根据短文内容，判断下列句子正（T）、误（F）。【1】WVBS is an active and friendly Norfolkbirdwatching society with over 100 members【2】Everyone can join the Wensum Valley Birdwatching Society.【3】WVBS holdsoutdoor meetings, with a guest speaker, on the third Thursday of each month【4】WVBS organizes bird-watching field trips each week.【5】WVBS organizes all kinds of activities to foster an interest in birds and encourage a wider appreciation of our natural world.