A.1earning is not limited to one grade level.
B.pupils mostly study math and English.
C.some children have to be left back.
D.teachers are always busy.
A.there has been a trend towards centralization.
B.they cannot get top students.
C.they exist only in one state.
D.children have to teach themselves.
开始考试点击查看答案A.are the best in Nebraska.
B.are becoming more and more centralized.
C.have has a strong influence on American people.
D.need to be shut down.
开始考试点击查看答案A.It is surprising.
B.It is relaxing.
C.It is enjoyable.
D.It is dangerous.
开始考试点击查看答案A.She has trained herself to sleep for about 20 minutes at a time.
B.She has to be her own teacher.
C.She has to learn to repair sails.
D.She has to be very fit.
开始考试点击查看答案A.self-starter
B.one performer
C.self.made
D.single-handed
开始考试点击查看答案A.don't like centralized schools
B.come from other states.
C.received education in one-room schools.
D.prefer rural life.
开始考试点击查看答案A.Critical.
B.Humorous.
C.Angry.
D.Praising.
开始考试点击查看答案A.to provide their personal life cycles.
B.to observe the life cycle of plants.
C.to collect data of the life cycle of living things.
D.to teach children knowledge about climate change.
开始考试点击查看答案A.To develop a specific research interest and become professional scientists.
B.To send their research observations to a professional database.
C.To increase their knowledge about climate change.
D.To keep a record of their research observations.
开始考试点击查看答案A.a citizen journalist.
B.a citizen scientist.
C.a scientist.
D.a citizen.
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2013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2013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2013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2013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2013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2013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2013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2013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2012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2011年安全工程师
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