人教版八年级上册英语课堂作业本答案

八年级上册物理配套作业本答案人教版

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第一节长度和时间的测量课前预习

1.米M千米分米厘米毫米微米纳米10^310^9刻度尺2.秒S小时分钟hmin603600停表

3.选择不同的刻度尺量程分度值对准被测物体的一端靠紧平行正对刻度线数值单位

4.测量值真实值不遵守仪器的使用规则读数时粗心5.多次测量求平均值选用精密的测量工具改进测量方法课堂练习

1.2.5*10^-32.5*10^-62.左0-10CM1mm3.1cm2.41mm2.40

4.30s0.2s15min0.5min217.5s(或3分37.5秒)5.C6.B课后巩固

1.2.5*10^5m3.6*10^6cm9*10^9um100s1.6min1min30s2.17.28cm17.82cm3.1mm2.850.894.c5.D6.D7.C

8.bdacc计算每张纸的厚度d=L/509.(1)停表(2)1、4、5(3)sl

(4)测量小球往返多次所需的时间，再算出摆动一次所需的时间

第二节运动的描述课前预习

1.运动静止物体位置的变化2.标准参照物3.参照物不一定4.相对地面课堂练习1.云

2.静止晓明相对于参照物的位置没有发生变化3.自动扶梯地面4.地面位置5.汽车相反6.D课后巩固

1.运动静止相对性 2.地面（或河岸）地面（或河岸）3.静止运动长途汽车4.C5.C6.B7.B8.D9.A10.C

11.能追上以窃贼为参照物能够看出警车离他们越来越近了，说明警车的速度比窃贼的车速度大。

Keys

Unit1Welcomebacktoschool!

1

1.2341

2

1.3214

2.1冤C2冤D3冤B4冤A

3.EADCB

3

1.213546

2.1冤cat2冤hand3冤map4冤and5冤cake

6冤fan

4

1.2143

2.1冤Cb2冤Aa3冤Bd4冤Dc

3.1冤B2冤C3冤A

5

1.13245teacher:CDEstudent:AB

2.413652

6

1.1冤2冤3冤4冤

5冤6冤

3.1冤D2冤B3冤C4冤A

Unit2Myfamily

1

1.312

2.ADBC

2

1.1冤man2冤father3冤mother4冤woman

2.3214

3.1冤D2冤C3冤A4冤E5冤

B3

1.1冤egg2冤red3冤pencil4冤pen5冤leg

6冤ten

4

1.1冤B2冤B3冤A4冤A

2.1冤B2冤A3冤E4冤D5冤C

3.DAECB

5

1.614253

2.1冤B2冤B3冤B4冤A

6

2.1冤man2冤sister3冤friend

4冤panda5冤ten6冤brother

3.1冤family2冤dadmum3冤student

4冤grandma5冤friend6冤sisterbrother

Unit3Atthezoo

1

1.1冤×2冤菁3冤菁4冤菁

2.1冤B2冤A3冤C

3.1冤2冤3冤4冤

2

1.1冤A2冤A3冤B4冤B

2.1冤2冤3冤4冤

3.1冤D2冤C3冤B4冤AC5冤AB

3

1.1冤six2冤is3冤pig4冤thin5冤Zip

6冤milk

2.245163

4

1.1冤D2冤B3冤C4冤A

2.1冤B2冤D3冤E4冤C5冤

A

1义务教育教材英语课堂作业本三年级下

3.1冤×2冤菁3冤×4冤菁5冤×6冤×

7冤×

5

1.1冤菁2冤×3冤×4冤菁

2.4A3C1B2D

3.1冤E2冤B3冤A4冤D5冤C

6

1.1冤2冤3冤4冤

2.1冤thinshort2冤bigsmall3冤shortlong

4冤bigsmall5冤longlong

Recycle1

五年级下册人教版英语课堂作业本第38页一二两题的答案

1、Tom didn’t _______ his exam again. It was a pity. [单选题] *

A. win

B. pass(正确答案)

C. beat

D. Fail

2、---Where’s that report?---I brought it to you ____you were in Mr. Black’s office yesterday. [单选题] *

A. if

B. when(正确答案)

C. because

D. before

3、 Comparatively speaking, of the three civil servants, the girl with long hair is _____. [单选题] *

A. more helpful

B. extremely helpful

C. very helpful

D. the most helpful(正确答案)

4、The old woman doesn’t feel _______ though she lives _______. [单选题] *

A. alone; lonely

B. alone; alone

C. lonely; lonely

D. lonely; alone(正确答案)

5、 For more information, please _______ us as soon as possible. [单选题] *

A. confident

B. confidence

C. contact(正确答案)

D. concert

6、Tom’s sister is a nurse. I met _______ in the street yesterday . [单选题] *

A. she

B. hers

C. him

2020 八年级上册英语课堂作业本答案

练习一

一 .

1.wolves 2.beginning 3.wears 4.least 5.tasty 6.nowhere

7.pleasant 8.Climbing 9.crazy 10.without

二 .

1.D 2.B 3.A 4.B 5.B 6.B 7.A 8.D 9.A 10.A 11.B 12.A

三.

1.with 2.from 3.in 4.at 5.of 6.for 7.in 、for 8.in 9.with

10.by

四.

1.practicing 2.were 3.will die 4.didn ’t watch 5.smoking

6.are getting 7.lost 8.keep 9.lying

10.to watch

五.

1.Don’t open when driving

2.won’t camping it rains

3.leave five-year-old on own

4.The ninth the same as

5.make noise to do

六.

1.C 2.B 3.A 4.A 5.A 6.C 7.D 8.D 9.A 10.D

练习二

一 .

1.Leaves 2.activities 3.ninth 4.worried 5.beauty eful

7.amazing 8.less 9.better 10.weight

二 .

1.have less than

2.is helpful to

3.spend better results on

4.as interesting as

5.Luckily put out

6.took a trip famous