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【单选题】
Never underestimate the learning power of play. One of Parks findings is that children 【C1】______valuable learning opportunities when unstructured play is reduced or eliminated【C2】______more time in the classroom. 'I think a lot of public school systems【C3】______to see the importance of play,' says Parks, assistant professor of early childhood education. '【C4】______, play is under-valued and lot of that is because of top-down【C5】______over standards and testing.' 'Their work is often framed in trying to【C6】______out whats wrong with these kids. Its very【C7】______and not at all what I【C8】______as a classroom teacher. ' 'I found the children【C9】______to learn, and their families were supportive and curious,' she adds. 'So when I got to academia, I thought it was【C10】______to read all these studies about kids not being【C11】______, or not being able to solve problems.' So she【C12】______her own research project with a different approach. She is【C13】______the same minority group of 14 young children for three years, starting in【C14】______, to see how they learn mathematics, both in the【C15】______classroom setting as well as informally in school, and at home. 'Just sitting there, looking at what is happening in their【C16】______surroundings, you can find things that【C17】______you,' she says. She hopes her research will prove how important play is to【C18】______problem-solving skills, and in other critical ways. 【C19】______there is something else, just as important for Parks. 'It is the equity piece of trying to change the conversation in the research community about what kids can do generally, and what minority kids can do【C20】______,' she says. 【C1】
A.
attain
B.
lose
C.
catch
D.
create
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【多选题】如图所示,长为L的细绳一端固定,另一端系一质量为m的小球。给小球一个合适的初速度,小球便可在水平面内做匀速圆周运动,这样就构成了一个圆锥摆,设细绳与竖直方向的夹角为θ。下列说法中正确的是()
A.
小球受重力、细绳的拉力和向心力作用
B.
细绳拉力在水平方向的分力提供了向心力
C.
θ越大,小球运动的周期越大
D.
θ越大,小球运动的线速度越大
【单选题】患者,28岁,症见爪甲软薄,枯而色夭,多是因为
A.
肝血不足
B.
心血不足
C.
脾气虚弱
D.
肺气虚弱
【单选题】十进制数512转换成二进制数是
A.
111011101B
B.
1111111111B
C.
100000000B
D.
1000000000B
【单选题】患者,女,37岁。症见爪甲软薄,枯而色夭,多因
A.
肝血不足
B.
心血不足
C.
脾气虚弱
D.
肺气虚弱
E.
肾气虚弱
【单选题】" ERP "的中文涵义是
A.
物料需求计划
B.
制造资源计划
C.
企业资源计划
D.
能力需求计划
【单选题】爪甲软薄、枯而色夭,甚则变形、脆裂多因
A.
心气不足
B.
肺气虚弱
C.
脾气虚弱
D.
肝血不足
E.
肾精不足
【单选题】下列不属于泊位策划的主要任务的是()
A.
制定有效分泊位分配计划
B.
负责堆场取货事项的安排。
C.
绘制泊位分布图。
D.
为码头等有关单位提供船舶、航线资料等信息。
【单选题】如图所示,长为L的细绳一端固定,另一端系一质量为m的小球 给小球一个合适的初速度,小球便可在水平面内做匀速圆周运动,这样就构成了一个圆锥摆,设细绳与竖直方向的夹角为 下列说法中正确的是
A.
小球受重力、细绳的拉力和向心力作用
B.
细绳的拉力提供了向心力
C.
越大,小球运动的线速度越大
D.
越大,小球运动的周期越大
【单选题】患者,女28岁。症见爪甲软薄,枯而色夭,多因
A.
肝血不足
B.
心血不足
C.
脾气虚弱
D.
肺气虚弱
E.
肾气虚弱
【单选题】如图所示,长为L的细绳一端固定,另一端系一质量为m的小球,如果给小球一个合适的初速度,小球便可在水平面内做匀速圆周运动,这样就构成了一个圆锥摆,设细绳与竖直方向的夹角为 ,下列说法中正确的是
A.
小球受重力、细绳的拉力和向心力作用
B.
细绳的拉力提供向心力
C.
越大,小球运动的线速度越小
D.
越大,小球运动的角速度越大
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