南大网络大学英语(英语统考B上)unit习题答案.docVIP

交际用语（共5小题，每小题4分?，满分20分?） 1. ----Can I help you with your suitc?ase? ?----_____?____. A.I have no idea B.No, no. I can carry? it mysel?f C.Thats a good idea D.Thank? you. I can manag?e mysel?f. 【批阅】回答正确！ 【答案】D 2. ----Can I help you to get it down? ?----_____?_____? A.No probl?em B.Yes. Lets get it C.Thank?s. Its so nice of you D.Its no troub?le at all 【批阅】回答正确！ 【答案】C 3. ----Shall? I lock the lab befor?e I go home?? ?----_____?_____?Ill cheek? it mysel?f later?． A.Go ahead? B.No probl?em C.No hurry? D.Don’t bothe?r 【批阅】回答正确！ 【答案】C 4. -----Anyth?ing else to be done? ?-----No. _____?_____?____. A.You’re welco?me B.That’s it C.It’s my pleas?ure. D.Go ahead? 【批阅】回答正确！ 【答案】D 5. ----Shall? I give you a hand with this as you are so busy now? ?----Thank? you. _____?__. A.Of cours?e you can B.If you like C.It’s up to you D.It could?n’t be bette?r 【批阅】回答正确！ 【答案】B 阅读理解（共10小题?，每小题3分?，满分30分?） Passa?ge 1 The home compu?ter indus?try has been growi?ng rapid?ly in the Unite?d State?s for the last ten years?. Compu?ters used to be large?, expen?sive machi?nes that were very diffi?cult to use. But scien?tists? and techn?ician?s have been makin?g them small?er and cheap?er while? at the same time they have been made easie?r to use. As a resul?t, their? popul?arity? has been incre?asing? as more peopl?e have been buyin?g compu?ters for their? homes? and busin?ess. Compu?ters have been desig?ned to store? infor?matio?n and compu?te probl?ems that are diffi?cult for human? being?s to work out. Some have voice?s that speak? with the opera?tors. Store?s use compu?ters to keep recor?ds of their? inven?torie?s（库存货物）and to send bills? to their? custo?mers. Offic?es use compu?ters to copy lette?rs, recor?d busin?ess and keep in touch? with other? offic?es. Peopl?e have been using? compu?ters in their? homes? to keep track? of the money? they spend?. One impor?tant new use for compu?ters is for enter?tainm?ent. Many new games? have been desig?ned to be playe?d on the compu?t