Ӣҽ > > Ŀ

СǿͬѧΪ˲ijҺܶȣʵ飺

1ȵƽƽ⣬ָƫֶҲ࣬ʱӦ________(ѡ󡱻ҡ)ƶƽĸ

2ƽƽСǿֽ

A.ƽձʣҺ

B.Һ嵹ձУƽձҺ

C.ձҺһֵͲⲿҺ

ͼʾϲȷ˳________ (Ӣ٢ڢۢѡһ)

ABC BAC BCA CAB

3ͼɵãҺܶΪ________ kg/m3

4жϣҺҺе______ (ĸ)

A. ˮ B. ˮ C. D. ˮ

ϰϵд
ϰ

Ŀ Դ2019˽°꼶ϲ¡̬仯ԪԾ ͣ

ijʵСһ¶ȼƣװòƿеIJܺϸƿݻϴĿ_____Ϊ˸Ͽ̶ȣڱ׼ѹ½¶ȼƷ_____УҺ洦Ϊ0棻ٽ¶ȼƷ_____УҺ洦Ϊ100档

鿴𰸺ͽ>>

Ŀ Դư꼶ȫᡶ5 ܶȡ֪ʶɲԾ ͣѡ

ԼΪ2105mg

A. һöͼ              B. һ꼶α         C. һѧ              D. һľ

鿴𰸺ͽ>>

Ŀ Դ˽̰꼶ϵ¡󡷵Ԫ ͣѡ

ƽ澵˵вȷ

A. ƽ澵ԭǹķ

B. ƽ澵ɵƽ澵ϣǿԼʵ

C. ƽ澵ǹֱߴγɵ

D. ƽ澵ʱ岻ƽ澵гһ

鿴𰸺ͽ>>

Ŀ Դ˽̰꼶ϵ¡󡷵Ԫ ͣѡ

ͼʾˮƽбһƽ澵һСȥҪʹƽ澵Сֱ䣬ļнǦΪ

A. 30 B. 45 C. 60 D. 90

鿴𰸺ͽ>>

Ŀ Դտư꼶²ᡶ6 ʵԡ֪ʶԾ ͣ

һƿ500ˣװˮ900ˣƿװijͣװͺ840ˣ͵ܶȣ

鿴𰸺ͽ>>

Ŀ Դտư꼶²ᡶ6 ʵԡ֪ʶԾ ͣ

ͬʵͭ_________Ƚϴȵľƾˮ______ϴ󣮣ˮѾƾ ͭ

鿴𰸺ͽ>>

Ŀ Դտư꼶²ᡶ6 ʵԡ֪ʶԾ ͣѡ

Ĵ봨8.0ش缰ʱʵʩȴʩͶоƷСȷ

A. һƿ600mlȪˮԼ60N B. һޱԼ50kg

C. һԼ5N D. һѧijαԼ200g

鿴𰸺ͽ>>

Ŀ Դտư꼶²ᡶ10 ѹǿ븡֪ʶɲԾ ͣ

Ϊ21043ĽûˮУ󣺽ܵĸFĴС

鿴𰸺ͽ>>

ͬϰ