如图,跳水运动员在入水过程中,身体所受的浮力__________(选填“增大”、

题型:填空题

问题:

如图,跳水运动员在入水过程中,身体所受的浮力__________(选填“增大”、“减小”或“不变”), 受到水的压强_____________(选填“增大”、“减小”或“不变”),若跳水池水深5m,则水池底面受到水的压强是____________Pa。(g取10N/kg)

考点:液体压强的计算
题型:填空题

女,30岁,激发痛2个月,刺激源除去后约2s消失,检查:牙合面有深龋洞,轻探痛,未见穿髓点。最可能的诊断是 ()

A.深龋

B.慢性牙髓炎早期

C.慢性牙髓炎后期

D.慢性牙髓炎急性发作早期

E.牙髓部分坏死

题型:填空题

根据每句话的意思以及首字母填入恰当单词,使得句意连贯。

1. We usually have a d__________ when we don't agree with each other.   

2. She is now in hospital because of her serious d__________.   

3. The teachers usually d________ our class into several groups when we have activities.   

4. I always have a bad d__________ when I'm tired before sleeping.   

5. How far is the e__________ from the sun?   

6. August is the e__________ month of the year.   

7. When I'm in trouble, my parents always e__________ me.   

8. The film is so interesting! I really e__________ it!   

9. He is e__________ in English. He often gets the highest score.   

10. Everybody is here e_________ Tommy. He's always late.

题型:填空题

压力管道元件在实物上规定有什么标志?

题型:填空题

地坪层主要由()、()和()三部分组成。必要时也可增设附加层。

题型:填空题

在代码编辑器中,续行符是用来换行书写同一个语句的符号,用以表示续行符的是

A.一个空格加一个下划线“_”

B.一个下划线“_”

C.一个造字符“_”

D.一个空格加一个连字符“-”

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