小红同学在化学实验课上建议,用碘水可将淀粉溶液与食盐溶液区别开来,这个环节属于科

题型:选择题

问题:

小红同学在化学实验课上建议,用碘水可将淀粉溶液与食盐溶液区别开来,这个环节属于科学探究中的[ ]

A.提出假设

B.交流评价

C.设计实验

D.作出结论

考点:设计实验和科学探究
题型:选择题
有60克溶质质量分数为10%的硝酸钠溶液,欲将其溶质质量分数增加一倍,应该采取的方法是(   )

A.把溶剂蒸发掉

B.加入7.5克硝酸钠固体

C.把溶剂蒸发掉30克

D.加入20%的硝酸钠溶液30克

题型:选择题
I was assigned to take care of this patient a couple of weeks ago and began to grow closer to her. Communicating with her was      because everything she wanted to say to me had to be written on a notepad. As a nursing graduate, I was able to      her mind by observing even a slight      in a patient's facial expression.
One day, when I was checking the patient, she      me on the shoulder to show me a note, "Do you think I could be let go      the hospital in a month to see my niece get married? Taking her hand in mine, I told her that I could not      her,because I did not want to leave her a      sense of hope.     , I made her believe that I would be there with her every step of the way on her journey toward     . Hearing that, the patient gave me a      and a hug.
Day by day, I built her      by walking around the floor with her. As I did this, I could see before my own eyes that her health was      improving and able to walk more steadily. On her last day in hospital, just before her niece’s     , she wrote me one last note, “I couldn’t have done this      you; I love you.” After kissing goodbye, I had a strong sense of achievement. I realized that moments like this were      I woke up early for      in the hospital and spent long hours with her. I truly felt, and her      confirmed, that I was an      part of this woman’s recovery. My experience with this patient shows me that this career allows me to touch the      of people in ways that people in other      will never get to experience.
小题1:
A.difficultB.funnyC.simpleD.interesting
小题2:
A.seeB.knowC.readD.feel
小题3:
A.worryB.changeC.painD.excitement
小题4:
A.tappedB.hitC.knockedD.struck
小题5:
A.ofB.toC.inD.from
小题6:
A.disappointB.promiseC.comfortD.trust
小题7:
A.falseB.strongC.rightD.good
小题8:
A.ThereforeB.BesidesC.HoweverD.Furthermore
小题9:
A.deathB.successC.destinationD.recovery
小题10:
A.surpriseB.stareC.smileD.whistle
小题11:
A.futureB.strengthC.hopeD.confidence
小题12:
A.slowlyB.completelyC.rapidlyD.finally
小题13:
A.presenceB.visitC.weddingD.presentation
小题14:
A.withoutB.behindC.exceptD.beside
小题15:
A.whatB.whyC.whenD.how
小题16:
A.workB.schoolC.officeD.exercise
小题17:
A.expressionB.noteC.feelingD.treatment
小题18:
A.irrelevantB.insignificantC.instructiveD.important
小题19:
A.fortunesB.shouldersC.livesD.tears
小题20:
A.hospitalsB.areasC.landsD.Fields
题型:选择题

石筛分析试验中计算累计筛余,该筛的分计筛余与筛孔大于该筛的各筛的分计筛余百分率之总和,精确至()

A、1%

B、0.1%

C、0.01%

D、2%

题型:选择题

“善师者不陈”句的正确今译是

A.善于当老师的人不陈腐
B.善于学习的人不会陈腐
C.善于用兵的人不泥于排列战斗阵势
D.善于军队生活的人不因循守旧
E.优良的军队不排列阵势

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春节是汉民族最隆重的传统节日,春节持续时间很长,过去一般从农历12月23日,俗称(),直到()前,其内容丰富多彩。

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