A.It has changed our life.
B.It has cost a large sum of money.
C.It has improved the abilities of tanks.
D.It has not succeeded yet.
A.People carried out a systematic study on pigeons.
B.People studied more animals and plants to develop the airplane.
C.People cound fly their airplane for fun.
D.People kept their airplane at a French gallery.
开始考试点击查看答案A.History books.
B.The Wright brothers’sculpture.
C.First practical airplanes built in the late 19thcentury.
D.Leonardo da vinci’s bird-like flying machines
开始考试点击查看答案A.they are highly-evolved species as humans.
B.humans can learn animals’skills.
C.they are skillful in different ways.
D.animals have skills that humans do not possess.
开始考试点击查看答案A.right
B.wrong
C.not mention
开始考试点击查看答案A.right
B.wrong
C.not mention
开始考试点击查看答案A.Many inventions get ideas from nature.
B.Some animals possess unique skills.
C.People should protect nature.
D.Bionics is far from perfect.
开始考试点击查看答案A.A president.
B.A buddist preist.
C.A general.
D.A king.
开始考试点击查看答案A.To make its populaton grow.
B.To keep it separate from the world.
C.To encourage its people to get rich.
D.To keep its tradition and customs.
开始考试点击查看答案A.selling more products.
B.spending more money.
C.spending less money.
D.providing more jobs.
开始考试点击查看答案A.have new tecnology.
B.can change their religion.
C.have a good, stable government.
D.have more money.
开始考试点击查看答案注册安全工程师注册安全工程师安全生产技术2011年安全工程师
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2010年注册安全工
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2009年注册安全工
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2009年安全工程师
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2009年安全工程师
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2009安全工程师《
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2008年注册安全工
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2008安全工程师模
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2008安全工程师模
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2008安全工程师模
类别:建筑类其它长理培训客户端 资讯,试题,视频一手掌握
去 App Store 免费下载 iOS 客户端