最新苏教版八年级物理上册单元测试题及答案全?- 百度文库 ر

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һ.ѡ

1.𰸡A

㡿ȵص㣬ҺҺ ǰ粣ϳ֡Ϊ˺еˮȽIJҺγɵСˮ鸽ڵ粣ϣ Ϊۣ

1ůϴȷ磬ٰǰ¶ߣʹϵСˮΪˮԽͿʪȣҲԼ١쿪˻е䣮

2 죺˽복Ժûмʱյ˺ʪȽϴ󣬺ܿǰ絲ͻˣʱɴ򿪿յǰ絲磬ÿյʪܣɳȥ ǰ絲ϵů߲¶ȣʹϵˮҲԴﵽĿģ쿪ů˻еȣ ѡA

2.𰸡A

㡿ۻۻص㣬̷ص㣬ҺҺе ̬仯Уۻȵģ̡ҺǷȵģ AѩDZۻ̣ȵģ⣮ BˮҺ̣Ƿȵģ⣮

CュϾӨɣˮǷȹ̣⣮

Dɵij֣ǽˮˮ̣Ƿȵģ⣮ ѡA

㣺ۻۻص㣻ȵص㣻е ̬仯Ⱥͷ 3.𰸡C

㡿ۻȺ̷еӦ 𡿽⣺ڻͿһϣֲڸۻۻҪȣʹ¶Ȳܸߣ𵽱ͷã ѡC

ɹ̬ΪҺ̬ĹۻۻҪȣ Һ̬Ϊ̬ĹҪȣ 4.𰸡A

㡿ҺҺ 1)ʴ̬ΪҺ̬Ĺ̳ΪҺ

2)쳵¸ߣˮIJҺСˮ飻 3)쳵¸ߣˮIJҺСˮ飻 𡿣1)ȵ쿪ſյĹڳ¶ȵڳ¶ȣеˮijͻᷢҺˮ飻

2)ĶŶȸڳ¶ȣԳڿеˮijʱᷢҺڳڱγˮ飻 ѡA

5.𰸡C

㡿ۻ̵¶ȡʱͼ 𡿽⣺Aͼ󣬿ʼ¶ߣ¶Ȳ䣬ǾۻͼҲҺķͼ0t1ʱڸҲҺ壬A

Bͼ󣬿ʼ¶ߣ¶Ȳ䣬ǾۻͼҲҺķͼT2

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ǷеҲ۵㣬B

C0t1ʱ䣬¶ȲߣԷ˶Ӿ磬Cȷ

Dt1t2ʱʵ¶Ȳ䣬ȣD ѡC 1վͷǾۻеص㣺Ǿûһ۵㣬ۻȣ¶Ȳߣһ۵㣬ۻȵ¶ȱֲ䣻

2ۻȻ¶Ȳ䣬費ȣܲ 3Һʱص㣺ȵ¶ȱֲ䣬 6.𰸡C

㡿̷ص㣬ҺҺе 𡿽⣺A¶ǿеˮɵСˮ飬Һȷ⣮ Bתʱӿڿʹ溹Һӿ죬Ӷӿȷ⣮

C˪ǿеˮֱӱɵС󣮴󣬷⣮

Dɣɹֱ̬ӱˮȷ⣮ ѡC

̬ΪҺ̬ҺҺ̬Ϊֱ̬̬ӱΪ̬ɹֱ̬ӱΪ̬ 7.𰸡B

㡿ȵص 𡿽⣺Ϊ¶ȼƸմӾƾóʱƾһַʽҪ¶ȼԿ¶ȼƵʾˣ ѡB

ƾڳƾʱΧ 8.𰸡C

㡿̷ص㣬ۻͼ ۻﵽ۵㣬ˮ̵ﵽ̵㣬Ϸų֮¶ȲŻᷢȴݣ¶ͬᷢȴݣ

ˮ¶0棬0淿¶ܷͬȴݣ۵㣬޷ȣۻˮ̵㣬ܷȣԱˮֲ䣮

Ҫ֪ۻҪȣ̹Ҫȣ¶ȲʱŻȴ

9.𰸡A

㡿е 𡿽⣺Aþõĵ˿ϸ˹ȣAȷ B˪ǿеˮΪıڽֲ棬˹зȣBȷ CտˮʱðġǿеˮҺΪҺ̬СˮΣ˹̷ȣCȷ Dˮɻ֣̣˹зȣDȷ ѡA 1һ£״̬̬Һ̬̬֮ᷢ໥ת̬仯2ֱ̬ӱΪ̬ɹֱ̬ӱΪ̬̬ΪҺ̬ҺҺ̬Ϊ̬ɹ̬ΪҺ̬ۻҺ̬Ϊ̬̣3̬仯УȻȣзų̬仯У̡ҺȵУۻ 10.𰸡A

㡿Һ¶ȼƵĹ빤ԭ¶ȼƵʹü¼Ƶʹü ͬ־۵̵ͬ۵ȷ̵㣮

ս̰꼶ϲᵥԪ⼰ȫ

ͬ־۵̵ͬɴ˿֪ƾú͡ˮ̵ֱΪ-117桢-30桢-38.5森 -89.2ú͡ˮ̵-30桢-38.5棬ʱúͺˮΪ̬޷¶ȵIJ-89.2-117棬ʱƾҺ壬¶ȵIJ ѡA

ͬ־۵̵ͬ۵ȷ̵㲢ȷȽ¶ȵĸߵͣ 11.𰸡D

㡿 ĶϴϵˮʹϵƤɶܶܰĨЩ֬Ʒ AֹƤ⣻ BֹкȾƤ⣻ Cֹϵɢȥ⣻

DֹϵˮʹϵƤɶܶ⣻ ѡD

ڴ⣬ѧӦ֪ʶʵ⡣ 12.𰸡A

㡿ۻۻص Aеı𽥱Сʴӹ̬ΪҺ̬ۻ⣮ Bþ˵ĵ˿ϸʴӹֱ̬ӱΪ̬⣮ Cʪ·±ɣʴҺ̬Ϊ̬⣮

Dˮտʱ֡ǺðˮҺɵСˮ飮⣮ ѡA .

13.𰸡 㡿ȵص ˮʱΧԿԽ£ʹ˸оˬ. ʴΪ

⿼ѧȵ 14.𰸡Һ

㡿ҺҺĶص 𡿽⣺죬ġкˮ䷢ҺγɵСˮ飬Һ

Ķ죬Ʒһ٣˵ɱֱӱˮ ʴΪҺ

Ĺؼ֪̬仯ƣʴ̬Һ̬ΪҺֱӴӹ̬̬Ϊ

15.𰸡Һ

㡿ۻۻص㣬۵̵ 𡿽⣺Ϊ۵48棬50ʱ۵㣬״̬ΪҺ̬10ʱ۵㣬ǹ̬ ʴΪҺ̣

Ҫգپۻ¶ȱֲ䣬þ¶ȸ۵㣬þ崦Һ̬

ھۻʱDZﵽ۵ͼȣþ¶ȵھ۵㣬ǹ̬ 16.𰸡Ǿ壻

ս̰꼶ϲᵥԪ⼰ȫ

㡿ͷǾ 𡿽⣺ۻ¶ȲߣڷǾ壮 ʴΪǾ壻ߣ

ۻʱй̶¶ȵǾ壬ûй̶ۻ¶ȵǷǾ壻ۻҪȣھۻʱȵ¶Ȳ䣻Ǿۻʱ¶ 17.𰸡Һۻ

㡿ۻۻص㣬ҺҺ 𡿽⣺1ȪˮһȪڵˮĿҺγɵСˮΣҺ

2ѩˮвӰɹ̬Һ̬ۻ ʴΪҺۻ 1̬Һ̬Ĺ̽ҺҺ̬̬Ĺ̽ 2ɹ̬Һ̬Ĺ̽ۻҺ̬ɹ̬Ḷ́̽ 18.𰸡ѹ

㡿ȵص㣬ҺӦ ʹҺķн¶Ⱥѹ֣Һʯѹİ취ʹҺģҺԴļԽʡռ䣮ʹʱҺ̬ԹȼգȽ£ﵼȰǷֶֹˣ ʴΪѹˣ

Һַʽ¶ȣκڽ㹻͵¶ʹҺѹѹʹе嶼ҺҺ̬̬Ĺ̽ȣ⿼֪ʶеӦãҪѧʹѧ֪ʶе 19.𰸡£Һ 㡿ҺҺе 𡿽⣺

ӱ䶳óһֻѩʱС׷ۡЩ׷ǿеˮ¶Ƚϵ͵ѩɵС

ѩðɿеˮ¶Ƚϵ͵ѩɵСˮΣҺСˮεܶȱȿܶȴˡð ʴΪ£Һ

̬Һ̬Һ̬ɹ̬ 20.𰸡37.6棻37.6 㡿¼Ƶʹü 𡿽⣺1ͼ֪¼ƵķֵֶΪ0.1棬ϸĹ۲׼ȷֵΪ37+0.6=37.6棻2¼ûнˮ˦£ֱȥ36.4IJ˵£ΪˮԶزݣ¶ȼƵĶ䣬Ϊ37.6森ʴΪ37.6棻37.6森 1Һ¶ȼƵĻԭ¼ƵһΪ35桫42棬ֵֶΪ0.1森2ʹ¼ǰһҪˮ˦زݣΪˮԶزݣ .ۺ 21.𰸡189

2¶ȼƶ 3

4A

㡿̽ˮķʵ 𡿽⣺1ÿһ10棬ÿһС1棬ʾ89森

2ˮڷʱˮ¶ﵽе㣬¶Ȳߣˮڸλͬʱ˴ݻ