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【单选题】
儿童期内分泌系统不够稳定,应尽量避免使用激素或抗激素制剂,长期服用糖皮质激素会导致:
A.
发育迟缓、身材矮小
B.
儿童性早熟
C.
生长发育障碍、智力受损
D.
牙齿
E.
呆小症
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【简答题】Governments use fiscal policy to promote social, economic and security agendas. The theoretical economic effects of a fiscal policy can take many forms, only some of which are part of a policy's origi...
【单选题】加工中心编程与数控铣床编程的主要区别是()
A.
指令格式
B.
换刀程序
C.
子程序
D.
指令功能
【单选题】在单三角锁中,观测到一个三角形的三个内角值分别为58°28′30″,42°29′56″,79°01′46″,则在该三角形中,其内角改正数值为()
A.
+4″
B.
-4″
C.
+3″
D.
-3″
【单选题】在单三角锁中,观测到一个三角形的三个内角分别为58°28′20′′,42°29′56′′,79°01′46′′,则在三角形中,其内角改正数值为()。
A.
﹢4″
B.
﹣4″
C.
﹢3″
D.
﹣3″
【单选题】—You look unhappy.  What's up? —I lost my MP4 0n the bus yesterday.  It ________me  $ 50. [     ]
A.
paid
B.
cost
C.
spent
D.
took
【单选题】加工中心编程与数控铣床编程的主要区别是()
A.
指令格式
B.
换刀程序
C.
宏程序
D.
指令功能
【单选题】加工中心与数控铣床编程的主要区别是( B )
A.
指令格式
B.
换刀程序
C.
宏程序
D.
指令功能
【单选题】小李和小张是室友,小李不喜欢打扫卫生间,小张答应打扫卫生间但前提是小李必须去打扫卧室,这里体现了哪个经济原则:
A.
他们俩的行为体现的是“边际收益”原则
B.
小张和小李从这次分工劳动中并没有获得更大的价值
C.
小李虽然没有打扫卫生间,但是却必须去打扫卧室,所以,小李并没有得到什么好处
D.
小李和小张从劳动分工和交换中都获得了好处
【多选题】Like any theory of importance, that of social or cultural anthropology was the work of many minds and took on many forms. Some, the best known of its proponents, worked on broad areas and attempted to...
A.
Social anthropology concerns itself with broad areas while cultural anthropology concerns itself with specific aspects of culture.
B.
Cultural anthropologists, also known as social anthropologists, may work in either broad or restricted areas.
C.
Cultural anthropology is a new field of study.
D.
Any important area of study requires the work of many minds and is therefore likely to have different approaches.
E.
The best-known people in cultural anthropology attempted to describe the development of human civilization.
【简答题】设函数f(x)= 3 sin2x+cos2x+1 (Ⅰ)求函数f(x)的最小正周期; (Ⅱ)求函数f(x)的增区间 (Ⅲ)当x∈[- π 6 , π 3 ]时,求函数f(x)的最大最小值并求出相应的x的值.
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