切合（）以上的有效接地系统中性点不接地的空载变压器时，应先将该变压器中性点临时接地。

历时10年的全球“海洋生物普查”项目2010年10月4日在伦敦发布最终报告，这是科学家首次对海洋生物“查户口”，结果显示海洋世界比想象中更为精彩。根据普查得出的统计数据，海洋生物物种总计可能有约100万种，其中25万种是人类已知的海洋物种，其他75万种海洋物种人类知之甚少，这些人类不甚了解的物种大多生活在北冰洋、南极和东太平洋未被深入考察的海域。上述材料说明[ ]

①事物的存在和发展是客观的，是按照其固有的规律运动的②事物之间的联系是客观的，人可以根据事物固有的联系，建立新的具体联系③世界上没有不可认识的事物，只有尚未被认识的事物④发展是新事物的产生和旧事物的灭亡

A．①②

B．①③

C．②③

D．③④

短文改错

I used to feeling pressured to do well in exams. I was such afraid of falling behind that I kept thinking about studying every minute of the day. The pressure makes me out of breath. To my disappointed, the more worried I was about my studies, the less effective I became. Later, I realized I just took pressure too serious. So I tried taking things easy by taking part in various activity out of class, enjoying music and even daydreaming about fun things.

To my delight, this worked! Gradually，I became more anxious about exams and began to take pleasure in my studies. Pressure cannot avoided. What counts is how to deal with properly, but above all, how to turn it into pleasure or challenge.

陆先生，72岁，因右下肢股骨颈骨折入院，给予患肢持续牵引复位，病人情绪紧张，主诉患肢疼痛。评估病人后，护士应首先解决的健康问题是（）。

A.躯体移动障碍

B.焦虑

C.生活自理缺陷

D.疼痛

E.有皮肤完整性受损的危险

下列反应可检识奠类（）

A.Sabety反应

B.Labat反应

C.Weiggering法

D.茴香醛--浓硫酸

E.Molish反应

信贷经办人员应为每个借款人建立独立的信贷档案，并及时更新，加强信贷风险跟踪监测。