抛物线y2=2x的焦点坐标为( ) A.(14,0) B.(12,0) C.(1,0)

题型:选择题

问题:

抛物线y2=2x的焦点坐标为(  )
A.(
1
4
,0)
B.(
1
2
,0)
C.(1,0)D.(8,0)
考点:抛物线的性质(顶点、范围、对称性、离心率)
题型:选择题

单个投资管理人管理的企业年金基金资产,投资于~家企业所发行的证券或者单只证券投资基金,按市场价计簿,不得超过该企业所发行证券或该基金份额的(),也不得超过其管理的企业年金基金财产总值的()。

A.3%,5%

B.5%,3%

C.5%,10%

D.10%,5%

题型:选择题
请选择方框中所给的信息补全文段的内容。
on the school tennis team; doing other sports; used to; taller and stronger
      I (1)______ be short and a little weak. As I often fell ill, I realized that I had to do something to change it.
So I began jogging, playing tennis with friends and (2)______. Gradually I fell in love with sports and my
health condition has been improving all the time. Now I'm (3)______ than most students in my class and I'm
(4)______. So you see, people can surely change if they have the will and the practice!
题型:选择题
明德小学有学生820人,其中女生人数占学生总人数的
11
20
,明德小学有男生多少人?
题型:选择题

当考试成绩不理想时,下列哪一种想法不可取(  )

A.这次没有发挥好,下次一定得仔细,争取好成绩

B.偶然的失误不能说明什么,这不代表我的真实水平

C.我就是这样了,再怎么努力也是白费工夫

D.看来我复习的不全面,以后要仔细看书

题型:选择题

矿井提升的立井、斜井缠绕式提升机应加设空车装置。

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