表示“警告 .“蔑視 .“威脅 等. 這種祈使句里的賓語也是第三人稱為主.除了口氣兇悍之外.有時(shí)還語帶諷刺.如: (7) Let him try and he will expose his inability to work on his own. (8) Let the invaders come and our armed forces will wipe them out in no time. 用"let"的祈使句時(shí).必須注意下列幾點(diǎn): (9) Don't let this type of things happen again. (10) It's raining now. Let's not go out until after the rain. (11) Let the recalcitrant criminals be sent to prison. (12) Let all the dedicated capable staff be promoted. (13) Let the puppy out. (14) Open the windows and let the fresh air in. (15) The room is too sunny. Let the blinds down. (16) Let me alone, please. (17) Let's try it, shall we? (18) Let us do it by ourselves, will you? 從(17)里的"shall we"和(18)里的"will you".不難知道前者包括聽話人.后者并沒有. 查看更多

 

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如圖甲表示某生物膜結(jié)構(gòu),圖中A、B、C、D、E、F表示某些物質(zhì),a、b、c、d表示物質(zhì)跨膜運(yùn)輸方式。圖乙和圖丙表示物質(zhì)運(yùn)輸曲線,請(qǐng)據(jù)圖回答:


(1)若圖甲是癌細(xì)胞的細(xì)胞膜,則膜上含量較正常細(xì)胞減少的物質(zhì)是[  ]    。
(2)若圖甲是線粒體膜,b和c過程運(yùn)輸?shù)臍怏w分別是    。b、c運(yùn)輸方式符合圖    所表示的物質(zhì)運(yùn)輸曲線。
(3)若圖甲表示人體紅細(xì)胞膜,則表示Na、K運(yùn)輸?shù)姆謩e是圖中      。Na、K的運(yùn)輸方式符合圖    所示曲線。
(4)已知紅細(xì)胞吸收葡萄糖是協(xié)助擴(kuò)散,而有人認(rèn)為小腸上皮細(xì)胞以主動(dòng)運(yùn)輸?shù)姆绞轿掌咸烟,?qǐng)?jiān)O(shè)計(jì)實(shí)驗(yàn)加以確定。
①實(shí)驗(yàn)步驟:
第一步:取甲、乙兩組生理狀況相同的小腸上皮細(xì)胞,放入適宜濃度的含有葡萄糖的培養(yǎng)液中。
第二步:甲組細(xì)胞給予正常的呼吸條件,         
第三步:                。
②預(yù)測(cè)實(shí)驗(yàn)結(jié)果并分析:
a.若甲、乙兩組細(xì)胞對(duì)葡萄糖的吸收速率基本相同,則         
b.                                。

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完形填空
Time is very important in our lives. But it never had any importance in my life until I  1  a watch from my father that made me responsible(有責(zé)任). It  2  me the importance of time in my life.
I got this gift on a grey-sky day. I had to go to the  3  at 9:00 a.m. to pick up(接)my uncle Ali and take him to my father’s house. However, I forgot it  4  I was playing with my friends. Later on that day, around 11:00 a.m., I  5  my uncle, but I was late for him. He had got out of the plane and  6  a taxi to my father’s house.
I 7  my father’s house at 2:00 p.m. at the same day . My father looked at me angrily. I said “hi” to him and my  8  uncle. My father asked me to sit  9  him and handed me this watch which was a gift from  10 . It weighed 8 oz(盎司)and all of it was made of silver(銀). Then he said, “Essa, did you have fun  11  your friends today? What you did was not very nice and you should be sorry for your  12 .” I felt sorry and told my father that I wouldn’t do it again. Then he said, “This watch will be a reminder(提醒物) for you. I hope today you have learned something  13 .”
I learned a lesson from my father: to respect(尊重) time and  14  be late. The watch is important to me, not because of its  15 , but because of the lesson that I learned from it.

【小題1】
A.boughtB.receivedC.borrowed D.broke
【小題2】
A.learnedB.foundC.sent D.told
【小題3】
A.a(chǎn)irportB.schoolC.hospital D.station
【小題4】
A.when B.because C.if D.though
【小題5】
A.sawB.forgotC.remembered D.took
【小題6】
A.hadB.drivenC.invited D.taken
【小題7】
A.visited  B.remindedC.reached D.left
【小題8】
A.surprised B.tiredC.nervous D.lonely
【小題9】
A.next toB.a(chǎn)round C.behind D.a(chǎn)way from
【小題10】
A.usB.himC.them D.you
【小題11】
A.ofB.forC.with D.a(chǎn)bout
【小題12】
A.words B.a(chǎn)ctionsC.play D.fun
【小題13】
A.important B.interestingC.expensiveD.wonderful
【小題14】
A.never B.usuallyC.sometimes D.often
【小題15】
A.look B.priceC.sizeD.weight

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I lost my sight when I was four years old by falling off a box and landing on my head. Now I am thirty-two. I can vaguely(模糊地)  1  the brightness of sunshine and what color red is. It would be wonderful to see things again,  2  a disaster can do strange things to people. It happened to me the other day that I might not have come to love  3  as I do if I hadn’t been blind. I believe in life now. I am not sure that I would believe in it so  4 . I don’t mean that I would prefer to go without my eyes. I  5  mean that the loss of  6  made me enjoy more of  7  I have now.

Life asks us to keep making  8  to reality. If a person is able to get ready for anything changeable his world will  9  more meaningful. I became blind, but I was  10 . My parents and my teachers saw  11  in me-a potential(潛力) to live, you might call it-which I didn’t see, and they make me fight it out with blindness.

The hardest  12  I had to learn was to believe in myself. That was what I had to do at least. If I hadn’t been able to do that, I would become a chair rocker for the  13  of my life. When I say I believe in myself I am not talking about simply the kind of self-confidence that helps me down an unfamiliar staircase  14 . That is part of it. But I mean something bigger than that: A belief that I could deal with anything alone; that somewhere in the  15  there is a special place where I can make myself fit.

1. A. imagine       B. find             C. remember     D. guess

2. A. but           B. though               C. so           D. because

3. A. myself        B. life             C. eyes         D. blindness

4. A. that          B. therefore            C. happily      D. deeply

5. A. seldom        B. just             C. hardly           D. always

6. A. them      B. it                   C. blindness        D. light

7. A. that          B. what             C. which            D. where

8. A. moments       B. encouragements       C. improvements D. changes

9. A. become        B. change               C. look         D. end

10. A. brave        B. lucky                C. sad          D. wise

11. A. something    B. everything           C. nothing      D. anything

12. A. problem      B. experience           C. difficulty       D. lesson

13. A. rest     B. whole                C. need         D. last

14. A. lonely       B. alone                C. self         D. person

15. A. company  B. group                C. society  (社會(huì))   D. family

 

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用方框里適當(dāng)?shù)木渥友a(bǔ)全對(duì)話。(10分)

A. Hello! What’s your name?

B: My name’s Eric.

A:  1. (        ) 

B: Fine, thank you.  2. (        ) 

A: Nice to meet you,too.  3. (        ) 

B: It’s 353-73326.

A:  4.(        ) 

B: His name is Tony.

A:  5. (        ) 

B: His phone number? Sorry, I don’t know.

 

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英漢互譯

1.look into    

2.處置;處理    

3.grow up      

4.與……一起玩        

5.from... to...        

6.屬于      

7.at the bus stop      

8.爆炸;響起      

9.in bed       

10.某人發(fā)生……         

 

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