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【单选题】
患者,男,50岁。黏液脓血便伴里急后重2年,诊断为溃疡性结肠炎。近2腹痛加重伴发热入院治疗。护士遵医嘱为患者保留灌肠治疗,正确的是
A.
灌肠液的温度为28℃
B.
灌肠宜保留5～10分钟
C.
肛管插入7～10cm
D.
液面距肛门60cm
E.
灌肠时取左侧卧位
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【多选题】关于静电场的高斯定理，下列说法正确的是【图片】
A.
说明静电场是有源场
B.
高斯面上的场强由高斯面内的电荷决定
C.
高斯面上的场强由高斯面内和面外的电荷决定
D.
闭合曲面的电通量由高斯面内的电荷决定
查看完整题目与答案
【简答题】选择方框内的词的适当形式填空，每词只能用一次。 go do help study look have sell be like find 1. I can _____ my watch. 2. They _____ me very much. 3. Mike _____ hard in class. 4. The workers in the shop _____ very friendly. 5...
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【单选题】在静电场中,关于场的对称性、高斯定理、静电力,下列说法正确的是 [ ]
A.
若静电场的分布不具有对称性，则高斯定理不成立
B.
点电荷在电场力作用下，一定沿电场线运动
C.
两个点电荷之间的作用力大小为 F ，当第三个点电荷移近时，两个点电荷之间的作用力大小仍为 F
D.
有限长均匀带电直线的场具有轴对称性，因此可以用高斯定理求出空间各点的场强
查看完整题目与答案
【简答题】Listen to the following talk and fill in the blanks with missing words. The talk is given twice. Jones is buying some things at the hardware store( 五金店 ). The storekeeper has many bicycles in the stor...
查看完整题目与答案
【判断题】“狐假虎威”中的“假”读作“jià ”,可以组词:假期。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：M: You look happy. Did you sell lots of things at the store today? W: No. I bought something. It was a great deal. M: So what is it? W: A laptop computer. M: Really? That's great. It's really con...
A.
Sold lots of things.
B.
Sold a computer.
C.
Bought a computer.
D.
Bought new clothes.
查看完整题目与答案
【单选题】听力原文：M: You look happy. Did you sell lots of things at the store today? W: No. I bought something. It was a great deal. M: So what is it? W: A laptop computer. M: Really? That's great. They are really...
A.
She is a software engineer.
B.
She is an after-sale service worker.
C.
She works as a salesclerk.
D.
She is hunting for a job.
查看完整题目与答案
【简答题】Text ysis The text is about the influence of e-commerce. The main idea is that online trade has revolutionized the way we sell or buy things as well as brought us some new problems. The text can b...
查看完整题目与答案
【单选题】稳压管的稳定电压 V Z 是指其 。
A.
反向偏置电压
B.
正向导通电压
C.
死区电压
D.
反向击穿电压
查看完整题目与答案
【简答题】Complete the sentences with the proper forms of the given words. 1. Some top students _____(send) to study in foreign countries once a year. 2.More and more schools ___________(build) here later. 3. W...
查看完整题目与答案
相关题目：
【多选题】关于静电场的高斯定理，下列说法正确的是【图片】
A.
说明静电场是有源场
B.
高斯面上的场强由高斯面内的电荷决定
C.
高斯面上的场强由高斯面内和面外的电荷决定
D.
闭合曲面的电通量由高斯面内的电荷决定
查看完整题目与答案
【简答题】选择方框内的词的适当形式填空，每词只能用一次。 go do help study look have sell be like find 1. I can _____ my watch. 2. They _____ me very much. 3. Mike _____ hard in class. 4. The workers in the shop _____ very friendly. 5...
查看完整题目与答案
【单选题】在静电场中,关于场的对称性、高斯定理、静电力,下列说法正确的是 [ ]
A.
若静电场的分布不具有对称性，则高斯定理不成立
B.
点电荷在电场力作用下，一定沿电场线运动
C.
两个点电荷之间的作用力大小为 F ，当第三个点电荷移近时，两个点电荷之间的作用力大小仍为 F
D.
有限长均匀带电直线的场具有轴对称性，因此可以用高斯定理求出空间各点的场强
查看完整题目与答案
【简答题】Listen to the following talk and fill in the blanks with missing words. The talk is given twice. Jones is buying some things at the hardware store( 五金店 ). The storekeeper has many bicycles in the stor...
查看完整题目与答案
【判断题】“狐假虎威”中的“假”读作“jià ”,可以组词:假期。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：M: You look happy. Did you sell lots of things at the store today? W: No. I bought something. It was a great deal. M: So what is it? W: A laptop computer. M: Really? That's great. It's really con...
A.
Sold lots of things.
B.
Sold a computer.
C.
Bought a computer.
D.
Bought new clothes.
查看完整题目与答案
【单选题】听力原文：M: You look happy. Did you sell lots of things at the store today? W: No. I bought something. It was a great deal. M: So what is it? W: A laptop computer. M: Really? That's great. They are really...
A.
She is a software engineer.
B.
She is an after-sale service worker.
C.
She works as a salesclerk.
D.
She is hunting for a job.
查看完整题目与答案
【简答题】Text ysis The text is about the influence of e-commerce. The main idea is that online trade has revolutionized the way we sell or buy things as well as brought us some new problems. The text can b...
查看完整题目与答案
【单选题】稳压管的稳定电压 V Z 是指其 。
A.
反向偏置电压
B.
正向导通电压
C.
死区电压
D.
反向击穿电压
查看完整题目与答案
【简答题】Complete the sentences with the proper forms of the given words. 1. Some top students _____(send) to study in foreign countries once a year. 2.More and more schools ___________(build) here later. 3. W...
查看完整题目与答案
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