节日放飞的气球下吊一物体,在空中竖直向上运动的过程中,气球突然破裂的瞬间,物体将

题型:填空题

问题:

节日放飞的气球下吊一物体,在空中竖直向上运动的过程中,气球突然破裂的瞬间,物体将向上运动,这是由于____________;物体向上运动一段距离后,又向下运动,这又是因为____________________。

考点:重力的方向及应用惯性现象
题型:填空题

求比例尺时,图上距离和实际距离的长度单位一定要化成(    )单位。

题型:填空题

短文改错(共10小题;每小题1分,满分10分)

以下标有题号的每一行均有一个错误,请找出,并按下列情况改正:

此行多一个词:把多余的词用斜线(╲)划掉,在该行右边横线上写出该词,并也用斜线划掉。

此行缺一个词:在缺词处加一个漏字符号(∧),在该行右边横线上写出该加的词。

此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

注意:请在答题卡上作答。

I was glad to accept your letter of June 22.                                     76.      ____ 

I don’t expect that you would answer my letter so                                             77.           

soon.You suggested in letter that I read more, to                                            78.           

which I agree.That is true that one should read                                      79.           

much to improve his reading.It is the same like                                       80.           

swimming.One can’t learn to swim if he goes and                                           81.           

swim in the water.So this summer vacation I am                                             82.           

going to get down to read some books.Although                                             83.           

I am not the kind of person always does things                                                    84.           

according to his plan, but I will try my best.                                                       85.           

题型:填空题

男性,22岁。头部外伤后,头顶部及额部各缺损一块软组织,大小均约5cm×6cm,深达骨膜。

一期埋植扩张器术后,早期最重要的注意事项为()

A.观察有无皮瓣下积血或血肿

B.应用大剂量抗生素

C.局部按摩

D.抬高手术区

E.应用低右等改善微循环药物

题型:填空题

金庸小说等同于武侠小说。

题型:填空题

男性,60岁,急性下壁、正后壁心肌梗死,突发意识丧失、抽搐,心率40次/分,心音强弱有变化,律规则,既往糖尿病、高血压多年,BP85/60mmHg。

其晕厥最可能原因为()

A.窦性心动过缓

B.三度房室传导阻滞

C.心源性休克

D.糖尿病酮症

E.肺梗死

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