clothes.No one spoke.That's one of the unwritten rules.Although we see the same faces every day，we prefer to __16__behind our newspapers.People who sit so close together are using those thin sheets of newsprint to keep their __17__.

　　As the bus came near the Mile，a voice suddenly rang out："Attention！This is your driver speaking." Stillness.We looked at the back of the driver's head."Put your papers down.All of you." The __18__ came down."Now，turn and face the person next to you.Go ahead."

　　Surprisingly we all did it.Still no one smiled.I faced an older woman，her head wrapped in a red scarf.I saw her __19__ every day.Our eyes met.We waited for the next __20__ from the driver."Now repeat after me.Good morning，neighbor！" Our voices were weak.For many of us，these were the __21__ words we had spoken that day.But we said them together，like __22__，to the strangers beside us.We couldn't help __23__.There was the feeling of relief(解脱)，that we were not being robbed.But more，there was the sense of ice being __24__."Good morning，neighbor." It was not so __25__ after all.Some of us repeated it；others shook hands；many laughed.

　　The bus driver said nothing more；he didn't __26__ to.Not a single newspaper went back up.I heard laughter.A warm sound I had never heard before in bus No.151.

　　When I reached my stop.I said __27__ to my seatmate，and then jumped off the bus.That day was starting off better than most.

　　16．A.read B．sit C．talk D．hide

　　17．A.ways B．methods C．respect D．distance

　　18．A.papers B．passengers C．driver D．tears

　　19．A.still B．nearly C．even D．hardly

　　20．A.turn B．talk C．order D．remark

　　21．A.first B．last C．best D．only

　　22．A.passengers B．citizens C．patients D．schoolchildren

　　23．A.shouting B．crying C．smiling D．wondering

　　24．A.formed B．heated C．broken D．frozen

　　25．A.sad B．hard C．ordinary D．shy

　　26．A.need B．want C．like D．begin

　　27．A.good morning B．goodbye C．hello D．thanks

　　Section C

　　Directions：Complete the following passage by filling in each blank with one word that best fits the context.

　　Many years ago，when I worked as a volunteer at Stanford Hospital，I got to know a little girl 28.____ Liz who was suffering from a rare and serious disease.Her only chance of recovery appeared to be a blood transfusion(输血) 29.____ her 5yearold brother，30.____ had miraculously survived the same disease and had developed the antibodies needed to fight the 31.____(ill)．

　　The doctor explained the situation to her little brother，and asked the boy if he would be willing to give his blood to his sister.I saw him hesitate for a moment 32.____ taking a deep breath and saying，"Yes，I'll do it 33.____ it can save Liz."

　　34．____ the transfusion progressed，he lay in bed next to his sister and smiled，as we all did，seeing the color returning to her cheeks.Then 35.____ face grew pale and his smile faded.He looked up at the doctor and asked with a trembling voice，"Will I start to die right away？"

　　Being young，the boy had misunderstood the doctor；he thought he was going to have to give his sister all of his blood.

　　Part Ⅱ　Reading Comprehension

　　Directions：Read the following passage.The passage is followed by several questions or unfinished statements.For each of them there are four choices marked A，B，C and D．Choose the one that fits best according to the information given in the passage.

　　Federal regulators Wednesday approved a plan to create a nationwide emergency alert(警报)system using text messages delivered to cell phones.

Text messages have exploded in popularity in recent years，particularly among young