更多“当期盈余与预算结余差异表项目中，由于投资活动导致当期盈余和预”相关的问题
胡萝卜素不能转化为（）。
A、维生素A
B、硫胺素
C、尼克酸
D、胆碱
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万能转台台面与垫块之间的距离是用千分表和（）测量的。
A.量块
B.高度尺
C.游标卡尺
D.卷尺
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如图4－22所示偏置直动滚子从动件盘形凸轮机构中,凸轮以角速度ω逆时针方向转动.试求:（1)画出理
如图4-22所示偏置直动滚子从动件盘形凸轮机构中,凸轮以角速度ω逆时针方向转动.试求:(1)画出理论轮廓曲线、基圆与偏圆;(2)标出图示位置压力角α1和位移S1以及转过150°时的压力角α2和位移S2.
(1)画出理论轮廓曲线、基圆与偏圆;(2)标出图示位置压力角α1和位移S1以及转过150°时的压力角α2和位移S2.
(2)标出图示位置压力角α1和位移S1以及转过150°时的压力角α2和位移S2.
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使用期三年以上的渔业捕捞许可证实行年审制度，每年审验一次。()
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Nowadays most children go to school but few of them have ever asked themselves why they go there. Some children think they go to school just to learn their mother tongue (母语), English and other foreign languages, mathematics, geography, history, science and a few other subjects. But why do they learn these things Are these the only things they should learn at schoolActually children go to school to prepare themselves for the time when they will be grown up and will have tosupportthemselves. They learn their own language so that they will be able to communicate (沟通) with others clearly. They study foreign languages in order to be able to communicate with people in foreign countries, make friends with them and learn something about their culture (文化) and history. Nearly everything they study at school has some practical use in their lives, but there"s one more important reason why children go to school.We go to school above all to learn how to learn. Learning is not just for school but for life. So even after we have left school, we have to continue to learn. A man really knows how to learn will always be successful.
A．Take care of.B．Look up.C．Take off.
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如图所示电路中，已知发电机的电动势E1=230V，内电阻r1=lΩ，蓄电池组的电动势E2＝215V，内电阻r2=1Ω，负载电阻R=44Ω，求支路电流I1、I2和I3。https://assets.asklib.com/images/image2/2018071817492980356.jpg
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烙铁去角一般在羔羊出生后（）天内进行。
A.1-2B.2-3C.3-4D.5-7E.10-15
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在Excel2003中，求一组数值中的最大值函数为（）。
A.AVERAGE
B.MAX
C.MIN
D.SUM
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以下场景中的节点，不能进行克隆的是（）。
A.MainCameraB.DirectionalLightC.PlaneD.根节点
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自相关函数只与时间间隔有关是广义平稳随机过程的一个特征。
A . 正确
B . 错误
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X545e0～80%充电时间仅需多少小时；0～100%需要多少小时（）
A.3.5h/5h
B.3.8h/6h
C.4.9h/6h
D.4.9h/6.5h
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心肺复苏应在现场就地坚持进行，但为了方便也可以随意移动伤员。
A . 正确
B . 错误
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根据励磁方式的区别，绕组励磁直流电机可分为_、_、_和_四类
A . 全励B . 他励C . 分励D . 并励E . 串励F . 复励
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