试题与答案

管网计算压力降取决于两个因素即()。 A.额定压力.波动范围 B.压力降.最小允

题型:单项选择题

题目:

管网计算压力降取决于两个因素即()。

A.额定压力.波动范围

B.压力降.最小允许值

C.额定压力.最小允许值

答案:

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Handwriting can make or break the first impression . If your handwriting is difficult for others to read, you will sometimes feel embarrassed._1___. It needs lot of practice to improve your handwriting.

___2___. Try each of them out on a piece of paper by signing your name .Find out which type of pen you can write best with. You may be amazed at the change in your handwriting just by changing to another pen.

__3__. Do not just do what feels comfortable because that is just your old bad habit coming back into play. Try to hold the pen lightly and don’t press too hard.

Use your chosen pen to write Os on some pieces of lined paper .Write until you have filled up all the lines. Be careful with each O that you write.__4____.

Practice writing Os as much as possible . Remember , practice makes perfect .You may practice for weeks or months if you need to.__5___.

As your handwriting shows signs of improvement ,  go ahead and keep on practicing by writing more words.

A.Gather different types of pens

B.Practice holding your pen in different ways.

C.However ,a bad writing habit is hard to break.

D.Choose a type of pen with which you write best.E. It won’t help if you write a lot of careless Os on the paper.

F. Two to three months’ practice is enough to get good handwriting.

G. After you are confident in your Os, do the same thing with your name

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