15-16(下)假期版七下Unit 6综合知识专练

假期版单个单元综合知识专练约稿函

七年级（下）Unit 6 综合知识专练

一、单词和词组归纳与练习

n. electricity, conversation, rule, wire, moment, battery, cooker, fridge

v. reply, connect, lock, test, tidy, touch

adj. foolish

pron. anyone

1. a packet of

2. in a way

3. (be) connected to

4. power station

5. washing machine

6. switch off

7. tidy up

8. air conditioner

9. solar/ water/ wind power

10. a moment later 11. rice cooker 12. safety tips 13. electrical appliance

14. switch on 15. start a fire 16. make sure

练一练

I. 根据句意及首字母提示填写单词，使句子完整、通顺。

1.At the last m_______ the player was able to hit the ball in.

2.Of course, you should then t_______ those smaller methods.

3.You ought to be ashamed of your f_______ behavior.

4.You could also c_______ people together from your network.

5.Someone has been listening in on my telephone c_______.

6.We have those letters. You can go and t_______ them.

7.In my hurry, I forgot to l_______ the door.

8.Once you have the pen, no r_______ says you have to write.

9.I asked if anyone would help me,but no one r_______.

10.He was actually using the computer on b_______ power.

II. 根据汉语意思完成句子，每空一词。

11. 在某种程度上，我热爱这种方式，因为一天到头美好的事情将会发生。

_________ _________ _________, I love it because I know that at the end of the day something great will happen.

12.要保证让真相站在你这一边，这样你的见解才能站得住脚。

_________ _________ you have the truth on your side, and that your idea makes sense.

13. 当你不在室内，关掉所有的灯和电扇。

When not in a room, _________ _________ the lights and the fan.

14.当你生火时一定要小心。

Be careful when you _________ _________ _________.

15.客人们到达前，你最好先把东西整理一下。

You would better _________ _________ before the guests arrive .

III. 词汇测试。

i）从下面每小题的A、B、C 三个选项中选出可以替换划线部分的最佳选项。

( ) 16. —Switch on the light, please?

—OK, no problem.

A. Turn on

B. Switch off

C. Turn out

( ) 17. —Can you get me a packet of candy?

—I’m sorry I can not.

A. a piece of

B. a bag of

C. a little of

ii）根据句子意思，从下面每小题的A、B、C 三个选项中选出恰当的词语完成句子。( ) 18. Someone _____________ means someone is silly.

A. foolish

B. wonderful

C. perfect

( ) 19. —Why am I so cold?

—Because your hometown is so cold, and there's no _____________ in the house.

A. electricity

B. air conditioner

C. fan

( ) 20. —I believe that in some way my life is closely _____________ all of humanity.

—Yes. I agree with your idea.

A. used to

B. turned to

C. connected to

二、句型归纳与练习

1. You mustn,t say that, ...

2. We must ...

3.May I have ...

4. Do not ... when ...

5. Before ... , make sure ...

6.You can ...

练一练

连接下列单词或词组成句。

1. Must work adjust the needs to markets the of We our (.)

____________________________________

____________________________________

2. Speak I may with your daughter (?)

____________________________________

____________________________________

3. research before your you done interest have make sure you (.)

____________________________________

____________________________________

4. right to your for stand up can You (.)

__________________________________

____________________________________

5. city you beautiful mustn,t most that the Dalian is (.)

____________________________________

____________________________________

三、语法归纳与练习

语法一：can , may and must

练一练

I. 用can, may, 和must的正确形式填空，完成句子。

1. If you have something important to do, you ______ waste any time.

2. My English-Chinese dictionary has disappeared . Who _____ have taken it?

3. —Will your brother stay home tonight?

—I’m not quite sure. He _____ go to the cinema tonight.

4. Her brother _________ be at home now, because he was seen playing basketball in the stadium just now.

5. _________ you describe what you saw to for me?

II. 根据句意，用所给词的正确形式填空。

6. The weather is quite _________ (sun) in Jinan in winter.

7. Thank you for _________ (help) us so much.

8. Some children are dancing. Others __________ (sing) over there.

9. You can’t go there. It ________ (rain) now.

10. What an _________ (interest) book it is.

11. —What’s your father doing these days?

—He _________ (write) a book in English.

12. Kate likes taking ________ (photo) in the garden.

13. They are playing games. They are very ________ (relax).

14. —Where is John?

—He _____(be) in the library.

15. I’m sure he ______ (have) the computer sooner or later.

III. 阅读下面文章，按照句子结构的语法性和上下文连贯的要求在空格处填入一个适当的词或使用括号中词语的正确形式填空。

Everybody wants to be healthy. You know food is very important. There are many healthy (16)________ (food). You (17)________ (can) have more bananas, apples, oranges, tomatoes and lettuce because fruits and vegetables (18)________ (be) good for you. (19)________ don’t eat too much chocolate. It’s not good for you. It’s not good healthy food, either. Healthy food can make you grow and (20)________ (make) you strong and happy. (21)________ (remember) there is a saying, “An apple a day (22)________ (keep) the doctor away.”Sports (23)________ also keep you healthy. Get up early and (24)________ (do) some sports every day. (25)________ (do) be lazy! You will be healthy and happy.

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一、

I. 1. moment 2. test 3.foolish 4. connect 5. conversation 6. touch 7.lock

8.rule 9. reply 10. battery

II. 11. In a way 12. Make sure 13. switch off 14.start a fire 15. tidy up

III. 16-20 ABABC

二、

1. We must adjust our work to the needs of the markets.

2. May I speak with your daughter?

3. Before you show your interest, make sure you have done some research.

4. You can stand up for your right.

5. You mustn,t say that Dalian is the most beautiful city.

三、

I. 1. mustn,t 2. may 3.may 4. mustn,t 5. can

II. 1. sunny 2. helping 3. are singing 4. is raining 5. interesting 6. is writing

7. photos 8. relaxing 9.may be 10. must have

III. 16. Foods 17. can 18. are 19. But 20. make 21. Remember 22. keeps 23. can 24. do 25. Don，t

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浙教版七年级下册科学第四章知识点总结

七年级下第四章复习提纲 第一节、太阳和月球 1、太阳概况：发光发热的气体星球 2、太阳活动 太阳黑子的多少和大小作为太阳活动强弱的标志。 太阳黑子、耀斑活动增强时，要防晒避免紫外线过强照射损伤皮肤 月球 3、月球表面明亮相间，亮区是高原，暗区是平原和盆地等地陷地点，分别被称为月陆和月海。 4、环形山的形成原因：小天体撞击月球（主要原因）和月球上古老火山的爆发 5、月球上的特点：引力小；昼夜温差大；遍布环形山；不能传播声音（无空气）；没有空气和水，表面只 有岩石和碎屑。 6、月球上没有的大气层，因此在月球上，天空的背景是黑色的。 7、正确使用天文望远镜： ①选择视野开阔的地方安放；②用寻星镜对准目标星体：a.先在镜筒外沿镜筒延伸方向用眼睛瞄准目 标星体。b.用调节手柄做水平方位和不同高度的搜索。C.将目标星体置于视野中央；③用主镜观察目标星体。a.调节目镜的焦距使主镜内的影像清晰。b. 用调节手柄缓慢调节，直至在主镜内找到目标星体。c. 瞄准目标后再次调节目镜焦距，使目标星体的像清晰。（绝对不能用双筒望远镜或不加滤镜的天文望远镜直接观察太阳。 第二节、地球的自转

1、地球的自转：地球绕地轴不停地旋转的运动。 2、地球自转的方向：自西向东。从北极上空俯视，地球作逆时针方向旋转；从南极上空俯视，地球作 顺时针方向旋转。（南顺北逆） 3、地球自转的周期：约24小时 4、地球不发光不透明：出现昼夜现象 15、晨昏线(圈)：昼夜半球的分界线（一个圆圈），它由晨线（半圆）和昏线（半圆）构成。 ①晨线：太阳升起的地方（由黑夜进入白天）；②昏线：太阳落下的地方（由白天进入黑夜） 16、地球自转产生的现象：①日月星辰东升西落；②昼夜交替；③星星的视运动照片 注：①晨昏线与太阳光垂直；②东边先过晨线，故东边先天亮（如：杭州天亮了，拉萨天黑还在睡觉） 第三节、地球的绕日运动 32、地球的公转：地球自西向东绕太阳不停地旋转，地轴呈倾斜状态（地轴与公转轨道面呈66.5°夹角）地轴的北端始终指向北极星附近。周期为365.2422天，即一年 33、太阳高度：太阳光与地面的交角，叫做太阳高度角，简称太阳高度。 ①一天中太阳高度早中晚：先变大再变小，杆影先变短再变长，正午太阳高度最大，杆影最短，（由于地球自转） ②一年中，正午太阳高度夏季大，杆影短（夏至日太阳高度最大，杆影最短）,冬季正午太阳高度小, 杆影长（冬至日太阳高度最小，杆影最长）。（由于地球公转） ③同一时间，中高纬度地区，纬度越大，太阳高度越小，杆影越长 ④以太阳直射点为中心向两边递减，即：离太阳直射点越近，太阳高度越大，杆影越短；离太阳直射点越远，太阳高度越小，杆影越长 19、太阳直射点：太阳垂直照射的地方，太阳高度为90° 春分日(3月21日前后)直射赤道秋分日(9月23日前后)直射赤道 夏至日(6月22日前后)直射北回归线冬至日(12月22日前后)直射南回归线 20、昼夜长短的变化 ①赤道全年昼夜等长 ②北半球其他地区：从春分日到秋分日（太阳直射点在北半球），昼长夜短（夏至日昼最长夜最短）， 北极圈以内发生极昼现象（夏至日时北极圈及其以北地区都发生极昼）；从秋分日到来年春分日（太 阳直射点在南半球），昼短夜长（冬至日昼最短夜最长），北极圈以内发生极夜现象（冬至日北极圈 及其以北地区都发生极夜）；南半球正好相反 ③春分日，秋分日，太阳直射赤道，全球昼夜等长，南北极圈内无极昼极夜现象 ④太阳直射点北上：北半球昼变长夜变短；太阳直射点南下：北半球昼变短夜变长 ⑤纬度越高，昼夜变化越大 第四节、月相 21、月相：月球的各种圆缺形态叫月相