PVA变压器采用的冷却方式是()。

题型:填空题

问题:

PVA变压器采用的冷却方式是()。

考点:初级维修电工初级维修电工题库
题型:填空题

图例:

数字表(表中含数字为1至9的自然数)请开始答题:

数字表中出现次数最多的数字对应的符号是()

A.□

B.★

C.▲

D.◎

题型:填空题
附加题。
阅读下面短文, 将方框中的句子抄写在短文的适当位置,使短文意思完整。
they are so young
I have to spend an hour picking them up 
you ask your children to do chores 
they learn 
they know how to be organized at school
Question:
     I don't know what chores are appropriate (合适的) for my 9-year-old son and 6-year-old daughter.
I know they can't do much around the house because __1__, but I want to give them some things to do
in the summer because they don't have to go to school. I want to have them pick up (捡起) their toys
after they play with them, because sometimes __2__. Is that a good idea? What do you have your kids
do? Can you give me some advice?
Advice:
     When __3__ you are not turning them into little servants (仆人). You are teaching them how to clean
and organize (组织) things. I have two children: 10 and 11-year-old boys. They clean the floor, do the
dishes and do the laundry. They break lots of plates and bleach (漂白) their clothes, but __4__! They
become very responsible (负责的). They can't stand to see clothes on the floor or their beds not made.
Also, __5__.
题型:填空题
2x-7×2=8
x+3x=3.2×4
3
4
-
1
6
x=
1
3

12:x=28:2.
题型:填空题

下列选项符合死胎的超声表现的是()

A.胎儿各生长参数小于孕周预计值

B.胎心搏动胎动均消失

C.胎儿颅骨变形,颅缝重叠

D.胎儿全身水肿,皮肤呈双层改变

E.内脏结构紊乱不清

题型:填空题

()是指反映预算部门根据既定目标计划预期完成的产品和服务情况的指标。

A.产出指标

B.经济效益指标

C.社会效益指标

D.生态效益指标

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