[判断题]4.189. 第189题
电力系统发生振荡时，任一点的电流与电压之间的相位关系是变化的；而在发生短路时，电流和电压之间的
相位是不变的。
A.正确
B.错误

[判断题]在电缆路径弯曲部分有滚轮时，电缆在每只滚轮上所受的侧压力对无金属护套的挤包绝缘电缆为1kN，对波纹铝护套电缆为2kN，铅护套电缆为0.5kN。
A.正确
B.错误

[单选题]下列材料不属于个人身份证明的是（）。
A.身份证
B.工作证
C.户口本
D.军人证

[单选题]测试10000V以下至 3000V 的电气设备或回路绝缘电阻，采用( )及以上的绝缘电阻表。
A.2500V 10 000ΜΩ
B.500V 1000ΜΩ
C.1000V 2000ΜΩ
D.5000V或2500V 10000MΩ

[单选题]四行程发动曲轴旋转( )活塞做功一次。
A.180°
B.360°
C.720°
D.240°

[判断题]草原草地草山被烧后的财产损失按《草原防火条例》规定计算。
A.正确
B.错误

[名词解释]“一炮三检”制度

[判断题]制动主管达到定压后，司机按规定及检车人员的要求进行列车制动机试验，装有防折关装置的机车无需确认制动主管贯通情况。
A.正确
B.错误

[多选题]倒闸操作应根据值班调控人员或运维人员的指令，受令人复诵无误后执行。发布指令应准确、清晰，使用规范的（）。
A.双重称号
B.调度术语
C.线路名称
D.设备双重名称

[单项选择]常见的人力资源供给预测方法不包括（）。
A. 人力资源盘点法
B. 替换单法
C. 传统模型法

[不定项选择题]共用题干 Read With Greater Speed

Do you have difficulty reading in class?If so,a special reading program that helps
match sounds with letters could speed up your brain.
At least one out of every five elementary school students in the U.S. has trouble
learnina to read .even when the students are good at other subjects.________(1)
Researchers from Yale University,U.S.,studied a group of children trom New YorK
and Connecticut State.As part of the study,37 struggling readers received special tutoring.
Every day,instructors worked with them on recognizing how written letters represent
units of sound called phonemes（音素）.________(2)
By the end of the school year,these children could read faster than before.They also
made fewer mistakes,and understood more of what they read than they coula earlier in the
year.
As part of their study,the researchers used a special machine to take action photos of
the students' brains.
________(3)This is the same part of the brain that becomes active when good
readers read.This activated brain area appears to include a structure that helps people
recognize familiar written words quickly.In lower level readers,this structure remains inactive.
A year later,the brain structure was still working hard in the students who had gone through
the special tutoring,and they continued to do well in reading tests.________(4)
However,some researchers still doubt the study.________(5) ________(4)
A.Many adults are interested in matching sounds with letters.
B.The students also practiced reading aloud and spelling.
C.The biggest challenge for many of these kids,scientists say,is matching sounds with letters.
D.Another group in the study who went through a more traditional reading program didn't show the same progress.
E.The pictures showed an increase in activity in the back of the brain on the left side.
F.They believe that reading without making any noise or linking words to sounds is more efficient.

[单选题]脊柱裂是一种脊柱椎弓闭合不全的脊柱畸形,是中枢神经系统中最常发生的缺损,可发生于任何部位,但( )最常见
A.胸椎
B.腰部
C.腰骶
D.骶部

[单项选择]男，28岁，因十二指肠球部溃疡近半年来非正规间断服用雷尼替丁和德诺治疗，症状明显好转。2个月前胃肠造影提示十二指肠溃疡，血清Hp抗体阳性。近来又感上腹痛、反酸、烧心。该病人目前的进一步处理应是（）
A. 继续服用雷尼替丁
B. 继续服用德诺
C. 换服奥美拉唑
D. 换服奥美拉唑+阿莫西林
E. 先作胃镜检查，并查Hp，然后再决定治疗方案

[单选题]有毒有害物质沾染皮肤时,应立即去除衣物,用大量的水进行冲洗( )分钟,并彻底洗消。
A.10
B.15
C.20

[判断题]电力系统的负载一般都是感性负载。
A.正确
B.错误

[填空题]
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