学生啦：课时作业（一）UNIT4 Section A Topic Talk【单句语法填空1.These gates are always openthe convenience of visitors.2.Any help from you will be greatly appreciated.Please give me a replyyourconvenience.3.Will it be convenientyou to start work tomorrow?4.Should house property tax(房产税)comeeffect,China might witness a fall in5.Optimism has a positive effectpeople's physical and mental health,of which I'mvery convinced.6.He said he graduated from a famous university,buteffect,he never went tocollege.7.One of the most(effect)ways to reduce stress is to talk about your feelings withsomeone you trust.8.Little Jack admitted(steal)in the shop,promising that he wouldn't do that infuture.9.He studies very hard in order to get himself admitteda key university.Ⅱ根据汉语提示，补全下列英语短语和句式one's convenience在某人方便的时候2.one's convenience (of)the convenience of sb.为了某人的方便3.It isfor sb.to do sth某人方便做某事4.comeeffect生效，开始实施5.生效，开始起作用effect实际上，事实上7.have a/an...effect对…有…影响8.be/become/getto sth./doing sth沉溺于…：专心做…9.addictto sth沉溺于…10.admit承认…11.be admitted被接纳进入12.admit...接纳…作为…The first simple 2D avatars 1.(appear)in role-playing computer games in the1980s.Yet,very few people knew that future avatars 2.(have)such a wide variety offorms and uses.By the late 1990s,they 3.(use)in web chats like instant messenger.When people started creating their own avatars,they discovered that they 4.(have)thepower to create new 5.(identity)that did not look or act like real selves at all.Theycould dress their avatars 6.fancy clothes,or they could try being someone of the