用托盘天平称量物体的质量时,将被称物体和砝码放错了位置,若天平平衡时,左盘放有1

题型:填空题

问题:

用托盘天平称量物体的质量时,将被称物体和砝码放错了位置,若天平平衡时,左盘放有100克和20克的砝码各1个,游码所对的刻度值是4克,则物体的质量为_____克.

考点:质量的测量,天平的使用
题型:填空题

根据短文内容和首字母提示完成所缺单词。

Years ago in Scotland, the Clark family had a dream. The couple worked and saved, making p_小题1:_for their nine children and themselves to travel to the USA. It had taken years before they saved enough money and got everything r小题2: for the trip.

The whole family was excited about their new life. However, seven days b小题3:  they left for the USA, the youngest son was bitten(咬)by a dog. The doctor treated the boy, b小题4:  because there was a possibility of rabies(狂犬病), they would be kept away from others for fourteen days.

The family’s dream could not come t小题5: . They would not be able to make the trip to America as they had planned. Watching the ship leave---without the Clark family, the father was quite a小题6:  with both his son and God for their bad luck.

Five days later, a piece of sad news s小题7:_ throughout Scotland---the strong and powerful ship, Titanic, had gone down, taking h小题8: of lives with it. The Clark family was to have been on that ship, but because the son was bitten by a dog, they were left b小题9:in Scotland.

When Mr. Clark heard the news, he thanked his son for saving the family. He thanked the God for t小题10: a sad thing into a good one.

Although we may not always understand, all things happen for a reason.

题型:填空题

不允许任何其他事务对这个锁定目标再加上任何类型锁的锁是

A.共享锁

B.排他锁

C.共享锁或排他锁

D.以上都不是

题型:填空题

一昏迷患者,病史不详,呼吸深大,BP180/120mmHg,颈软,无黄疸,心肺腹部无异常,Hb70g/L,RBC1.9×1012/L,尿蛋白(+),比重1.010,沉渣见蜡样管型0~1个/HP,RBC0~1个/HP,血氨正常,BUN20mmol/L,CO2CP18mmol/L,血糖4.4mmol/L。

诊断尿毒症的论据主要根据哪一项()

A.贫血

B.高血压

C.尿比重低1.010

D.二氧化碳结合力降低

E.尿中蜡样管型及血BUN增高

题型:填空题

温度敏感突变株具有的特征是()

A.在28~35℃时可增殖

B.在37~40℃时不能复制

C.具有容易检测与识别的生物学特性

D.不能通过人工诱导产生

E.可人工诱导产生

题型:填空题

心脏病妊娠后应及时终止妊娠的指征是()

A.扩张型心脏病

B.房间隔缺损

C.单纯性心瓣膜关闭不全

D.风湿性心脏病

E.心力衰竭

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