Most teachers agree that the first lesson of a teacher is often unforgettableI remember getting into the class with the   1   of a beginner teacher: nervous, careful, excited…etcThe school I   2   my first lesson in was well-known to hold the most troublesome (顽皮的)students in the cityWith this in   3  , I was more nervous than I should beBut I tried my best not to   4   it out and went into the classThe first thing I did was taking a look at the whole classMy eyes   5   on a big black studentHe was sitting in the back   6   of the class with no one in front of himHis body was much   7   than mineI thought it would be better to   8   that boy untouchableAs soon as I started my lesson writing on the blackboard, I heard some noise from the backI   9  the students to find out who did it, but the class looked very   10  I went on writing and the noise went onThen I stopped my lesson to   11    this problem because I believed that if I lost control of the class from the   12   I wouldn’t be able to get it backI thought the big boy made the noiseTo my   13  , a small boy was the source (根源)of troubleDays went   14   and I discovered that the big boy was good and quiet and the great source of trouble came from a group of   15   students who became under control after some weeksFrom then on, I realized that judging (判断)by appearance can often be wrong, not only with students!

1Aideas                        Bfeelings                   Cthoughts                 Dways

2Astarted                      Bfound                     Copened                   Dfinished

3Ahead                         Bmind                       Cschool                    Dhand

4Amake                        Bbring                      Cwork                      Dshow

5Astopped                    Bnoticed                   Cpointed                   Dwarned

6Aline                          Brow                        Croom                      Dpart

7Ahigher                      Blighter                     Clarger                            Dthicker

8Alet                            Brelax                    Cincrease                  Dleave

9Afaced                       Bwondered                Cdiscussed                Ddescribed

10Acommon                 Bconfident                Cquiet                       Dcrowded

11Adecide                     Bsolve                      Cimprove                  Dproduce

12Abeginning                Bexample                  Cmatter                    Dend

13Acompetition             Bcongratulation          Csurprise                  Ddifference

14Aout                         Bdown                      Caway                      Don

15Asmall-sized                                                 Bcomfortable

Cfrustrated                                                   Dordinary-looking

The brain is the boss of the bodyYour eyes, ears, nose, and skin tell your brain what is going on around youOther parts of your body tell your brain what is going on inside of youYour brain takes in the signalsIt tells your body what to do with themWhen you touch fire, your skin tells your brain that your finger is too hotYour brain tells you to move your fingerAll these happen very fastYour brain also controls your breathing, blinking (眨眼), and heartbeatIt controls your feelings and thoughts too

Humans have the most developed brain of all animalsYet it is not the largest brainThe human brain weighs three poundsThe brain of an elephant weighs 11 poundsSo the largest brain is not always the best brainIn people, a larger brain does not mean a clever person

1What is the main idea of this story?

AThe human brain works very fast       BThe largest brain is not always the best brain

CThe brain controls the body                 DThe best brain is the largest brain

2What happens after the brain takes in the signals from the body?

AThe brain grows faster and larger        BThe brain tells the body what to do

CThe body becomes more developed            DWe don't know

3What doesthe boss of the bodymean?

AThe signals                                         BThe most developed body part

CThe main part of the body                    DThe control centre of the body

4Which brain is the most developed?

AThe largest brainBThe human brainCThe smaller brainDNot too big brain

5What are the things that the human brain does?

ATakes in signals                                   BControls breathing

CControls feelings and thoughts                  DA, B and C

Cell phones 移动电话are all around usWe use cell phones to call our friends, send text messages, play games, and even take photographsNow imagine using your cell phone to call your air conditioner (空调器)If this were possible you could tell your air conditioner to turn on before you got homeDoes this sound impossible to you? Well, it could become possible sooner than you thinkIn the near future, we might use cell phones as remote controls (遥控器)for the electrical devices (电器)in our homes

 People are already working to develop different ways to communicate wirelessly (无线的)with devices we use every dayFor example, it is already possible for cell phones to communicate with laptop computersBusiness people using laptops during meetings can use their cell phones as remote controlsThey can use their cell phones to send instructions to computers to turn on, change pictures, and turn off

With the same technology (技术), people can use their cell phones to control other devicesYou can call your stereo (立体声音响设备)to play music automatically (自动地)You can call your lights to turn on when you enter a roomMaybe even by next summer you will be able to call your air conditioner!

1What is the main idea of this passage?

   AIn the future we will all need air conditioners

   BBusiness people need to use computers

   CSome people like to make phone calls to machines

   DWe will use cell phones as remote controls in the future

2Cell phones can be used to turn on and off ________ in the future

   Aa special computer                          Bdifferent kinds of devices

   Ccell phone companies                      Dremote controls

3Which probably could NOT be controlled by a cell phone?

   AAn air conditioner or heater           BA computer or printer

   CA table or a basket                       DA CD player or MP3 player

4The underlined words “laptop computers” mean ______?

   A.台式计算机            B.大型计算机   C.便携式计算机    D.计算机控制中心

5Which instructions can be sent to a laptop according to the passage?

   APlay sound and music                         BStart and shut down

   CCall again and hang up                  DGo faster and go slower

Skin-diving (潜泳)is a new sport todayThis sport takes you into a wonderful new worldIt is like a visit to the moon! When you are under the water, it is easy for you to climb big rocks, because you are no longer heavy

Here, under the water, everything is blue and greenDuring the day, there is enough lightWhen fish swim nearby, you can catch them with your handsWhen you have tanks (罐)of air on your back, you can stay in deep water for a long timeBut you must be careful when you dive in deep waterTo catch fish is one of the most interesting parts of this sport

Besides, there are more uses for skin-divingYou can clean ships without taking them out of the waterYou can get many things from the deep waterNow you see the skin-diving is useful and interesting

1Skin-diving is going to take you to _______

    Athe moon           Bbe in danger     Cmountains              Dthe deep water

2You can climb big rocks under water because _______

    Ayou are stronger                                    Bthe fish nearby help you

    Cyou are lighter than on land             Dthere is a lot of light

3Under the water, a skin-diver _______ in the day time

    Acan see everything clearly               Bcan't see anything clearly

    Ccan see nothing                             Dcan see only fishes

4With a tank of air on your back, you can _______

   Acatch fish very easily                      Bstay under the water for a long time

   Cbe in a safe place                            Dhave more fun

5From the passage we can know that skin-diving is _______

   Aharmful                Bdangerous           Cuseful and interesting      Dunuseful

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