2016-2017学年高中英语unit21humanbiologysectionⅰwarm-up&lesson1-pre-reading课时作业北师大版选修

Unit 21 Human Biology Section Warm-up & Lesson 1-Pre-reading.完形填空I bought a small boat when my family spent one summer vacation enjoying the beaches of beautiful Gulfshores.Both of my daughters_1_all day in the boat.But the little one got tired and was beginning to look pretty_2_with too much sun._3_，I took her to our spot on the sand as my elder girl continued to play in the boat.I probably became a little too_4_with my younger daughter，not noticing the boat with my elder daughter in it was moving far out from the_5_.I called to her to come closer to the shore and she_6_ to be frightened.Unfortunately，the thing we hadnt thought to_7_for the boat were any oars.Her little arms were too_8_to reach across the boat and into the water.All she could do was to paddle (划)_9_to one side and the boat was just making small_10_.I stood as far out in the water as I couldshouting_11_to her.There was a boat of teenagers not far from her.When they_12_what was happening，they started to head her way immediately.Im not a good_13_but I determined to get myself out there.The first attempt of my arms seemed to be slow，and I couldnt_14_I was doing this.I continued swimming_15_I no longer knew or could feel that I had legs，but I always kept my_16_on her.Helped by the teenagers，I finally made my way back pulling her and_17_her.We came back to the shore and my life was changed forever by the_18_.I learned that maybe we think we are not_19_enough sometimes，but if we_20_ourselves enough and take that first attempt we have all the strength we need.语篇解读作者通过在海边度假的一次危险经历告诉我们：只要我们有足够的自信心，我们就一定能成功。1Ahid Bfished Cslept Dplayed解析：通过下文the little one got tired及as my elder girl continued to play in the boat可知，作者的两个女儿一整天都在船上玩(played)。答案：D2Agreen Bblue Cpink Dyellow解析：由本空后的sun可以推断出小女儿在海面上被晒了一天，皮肤变得红红的(pink)。答案：C3ATherefore BStillCHowever DAgain解析：小女儿累了，又被晒得红红的，于是(Therefore)作者就把她带上岸。答案：A4Afamiliar Bbored Cangry Dinvolved解析：根据后半句not noticing可推断，作者太关注(involved)小女儿了。答案：D5Acrowd Bshore Ctrip Dgoal解析：从下文的come closer to the shore可以得到提示。答案：B6Apretended Bseemed Crefused Ddecided解析：看到自己离海岸越来越远，作者的大女儿应该是看起来(seemed)非常害怕。答案：B7Amake Bbuy Cborrow Dchange解析：由文章首句可知，作者是在度假的时候买的船，再由下文他的大女儿用手划船可知，作者买船的时候没有想到买(buy)桨。答案：B8Afat Bpainful Cshort Dweak解析：由little arms可推断，作者大女儿的胳膊太短(short)，够不到船两边的水。 答案：C9Ahard BnaturallyCpatiently Dfast答案：A10Awaves Bmistakes Cattempts Dcircles解析：她拼命地(hard)在一边划，结果弄得小船只在原地打转(circles)。答案：D11Aorders BinstructionsCdemands Dopinions解析：作者走进海水中，尽可能离大女儿近点，然后使劲向她喊，告诉她该怎么做(instructions)。答案：B12Aremembered BnoticedCpredicted Dimagined解析：当附近船上的少年注意到(noticed)发生了什么事情后，他们马上向作者大女儿的方向划来。答案：B13Aswimmer Bfather Cfriend Drescuer解析：由本空后的I determined to get myself out there及下句的slow可推断，作者水性不好(not a good swimmer)。答案：A14Aadmit Bbelieve Csay Drecognize解析：作者水性不好，但仍迈出了尝试的第一步，他自己都不相信(believe)自己在游泳。答案：B15Abut Bafter Cuntil Dunless解析：作者拼命往前游，直到(until)手脚都麻木了。答案：C16Ahopes Beyes Chands Dfeelings解析：但是，作者始终注视着(eyes)他的大女儿，拼命往她那儿游。答案：B17Acalming Bcuring Cpraising Dtraining解析：在那些少年的帮助下，作者一边奋力往回游一边安慰(calming)大女儿。答案：A18Amemory BboatCexperience Dbeach解析：显然，作者对待人生的态度因为这次经历(experience)而改变。答案：C19Asmart Bstrong Cqualified Dmodest解析：根据上文作者水性不好的事实及文末的strength可推断，这里指有时侯我们认为自己可能不够强大(strong)。答案：B20Aremind Bsupport Cbehave Dtrust解析：通过作者的经历可知，如果我们足够相信(trust)自己，并迈出尝试的第一步，我们就会得到我们所需的力量。答案：D.阅读理解Last night，on my way home I stopped because of being attracted by some hamburgers at a fast food restaurant.On my way in，a homeless man approached me and asked，“Do you have any bottles lying around？” I knew he would recycle them for a few cents，but I didnt have any，so I said no.And again he asked，“Can you spare some change (零钱)？” I smiled，and said no again.He was very respectful；he smiled back and said，“OK，thank you.” Even though he didnt have anything，he was still in good spirits.From the way he spoke I could tell he was smart.Then I bought one hamburger and enjoyed my meal，but in the back of my mind I wondered whether the homeless man was hungry.After I finished my meal I decided to order another one for him.At this point I didnt know if he was still around，but I tried anyway.At the counter I ordered a hamburger and also a hot chocolate，because it was cold outside，and I thought it would help warm him up.They delivered (递送) me the hot chocolate first and as I waited for my hamburger，I noticed the homeless man was standing right beside me.I looked at him and smiled，“This hot chocolate is for you.” He replied like a gentleman，“Thank you so much.Thats very kind of you.”I always believe no matter how hard up (缺钱) I am，there are always those who are worse off than IWhen you help someone，its not alway