装有挡板式瓦斯继电器保护的变压器,在发生严重缺油时() A.轻、重瓦斯同时动作; B

题型:单项选择题

问题:

装有挡板式瓦斯继电器保护的变压器,在发生严重缺油时()

A.轻、重瓦斯同时动作;

B.轻瓦斯动作,重瓦斯不动作;

C.重瓦斯动作,轻瓦斯不动作

考点:用电检查员考试用电检查高级工用电检查高级工题库
题型:单项选择题

根据首字母和汉语提示完成句中单词。

1. Can you t________ this letter from German to English?

2. Our g________ is well worth believing. Do you agree with me?

3. We live in the twenty-first c________.

4. The word has two different p________.

5. Mary is r________ as one of the best singers in our class.

6. Mr Li has a special way of making his classes interesting and ________. (生动的)

7. The basket is very ________ (轻), so the boy can easily pick it up.

8. I think you've made ________ (错误), this isn't my coat.

9. Don't you know me? I live next door. We are ________ (邻居).

10. My brother has lost a(n) ________ (机会) to study in England.

题型:单项选择题

根据加权平均模式,人们在人际交往形成印象的过程中总会给予较大权重的是( )

A.积极的评价

B.可信度低的评价信息

C.同先前印象不一致的信息

D.对早先形成的印象

题型:单项选择题

盐杜仲的炮制方法为

A.取杜仲丝或片,武火炒至焦黑色,丝易断时,喷淋定量盐水炒干

B.取杜仲丝或块,盐水拌匀,润透,中火炒至焦黑色,丝易断时,取出

C.武火炒至焦黄色,丝减少时,取出

D.取杜仲丝或块,盐水拌匀,武火炒至黑褐色,丝易断时,取出

E.以上都不是

题型:单项选择题

患者,女,25岁,主诉人工流产术后4个月, * * 不规则流血1个月,妇检:外阴正常, * * 侧前壁1cm×2cm×2cm紫色结节。子宫稍大,左角处稍软,HCG阳性。最可能诊断为

A.子宫内膜异位症
B. * * 壁囊肿伴出血
C.人流后子宫复旧不全
D.绒癌 * * 转移
E.前庭大腺囊肿感染

题型:单项选择题

  • A.条件(1)充分,但条件(2)不充分.
  • B.条件(2)充分,但条件(1)不充分.
  • C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.
  • D.条件(1)充分,条件(2)也充分.
  • E.条件(1)和(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.

方程mx2-(2m+1)x+m-1=0有两个正根.
(1)m>0; (2)m>1.

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