21. Thanks to the modern electrical_____, housework nowadays has been made easier and easier.

　　A. facilities B. instruments C. appliances D. tools

　　C. appliances “器具，用具” w*w*w*k*s*5*u*c*o*m

　　这里表示“电器”;facilities“设备”;instrument“仪器”;tool“工具”。

　　22. Roses are quite _____ flowers in English gardens.

　　A. ordinary B. common C. usual D. general

　　B. common.

　　common(=usual and ordinary; happening of found often and in many places)普通的;常见的;常常发生的;到处可见的：a common experience(普通的经历);a common tree(常见的树木)。This bird is common throughout Europe.(这种鸟在欧洲很常见。)They can treat most of the common diseases.(他们能治疗大多数常见病。)

　　usual(=done, found, used or existing most of the time) 经常的，通常的，惯例的，习以为常的;强调时间习惯方面，例如：This is the usual state of the house.(这房子里平常就是这种样子。)

　　ordinary正常的，普通的，正常的;an ordinary day(平凡的一天)，ordinary people(普通人), a piece of ordinary dance music(一首普通的舞曲)。

　　general普通的。它与common比较，语气稍强，含有很少例外的意外。

　　可见本题中用common是最佳的选择。w*w*w*k*s*5*u*c*o*m

　　23. The _____ of the trees in the water was very clear.

　　A. mirror B. sight C. reflection D. shadow

　　C. reflection.

　　reflection此处意为“映在水中的倒影”，而不是“影子”或“阴影”，故不能用shadow。其他选择均不合题意。

　　24. Her display of bad temper completely _____ the party.

　　A. harmed B. damaged C. spoilt D. hurt

　　C. spoilt.

　　spoil指出意指“使...... 扫兴，搞糟”，如：Quarrelling spoilt the picnic.(争吵使这次野餐弄得很扫兴。)hurt伤害，damage 损坏，harm危害，均不合题意。

　　25. Our attitude toward our teachers should be _____, but not slavish or superstitious.

　　A. respectable B. respected C. respective D. respectful

　　D. respectful.

　　respectable(=deserving respect)值得尊敬的,品行端正的。respectful(=showing respect to)有礼貌的，表示尊敬的。Respective各个的。respected尊敬的。Respecting prep.(=relating to; concerned with)关于，说到。

　　26. "Who is responsible for sending out misinformation?" w*w*w*k*s*5*u*c*o*m

　　"Most of the fault lies _____ the administration."

　　A. in B. to C. on D. with

　　D. with.

　　lie with应由.......(承担责任);(作出决定等)得靠...... 1)The responsibility lies with the driver.(责任应由这个司机承担。) 2)It lies with you to accept or reject he the proposal.(接受还是拒绝这项建议由你决定。)

　　lie in在于： 1)The difficulty lies in their great poverty.(困难在于他们非常贫困。) 2)the solution lies in social and political reform.(解决方法在于社会政治改革。)

　　27. People who live in a small village are bound to see a good _____ of each other.

　　A. sum B. quantity C. deal D. amount

　　C. deal.

　　see a good deal of each other 经常见面。

　　28. They always kept on good _____ with their next-door neighbors for the children's sake.

　　A. friendship B. relations C. intentions D. terms

　　D. terms.

　　keep (be) on good terms with与......和睦相处。

　　29. He was afraid that the branch might bend over and break, and he would be sent _____ to the ground.

　　A. crashing B. throwing C. rushing D. dropping

　　A. crashing. w*w*w*k*s*5*u*c*o*m

　　crash(to the ground)猛跌(到地上)。Crash n.

　　常指飞机等的“失事”，如：He was killed in an aircraft crash.(他在飞机失事中丧生。)本句中用falling不妥，fall指“落下，掉下”，本身并不强调落下的速度，而crash使“猛跌”，故本题用crashing最佳。

　　30. Despite their good service, most inns are less costly than hotels of _____ standards.

　　A. equivalent B. uniform C. alike D. likely

　　A. equivalent.

　　equivalent相等的，相当的：He exchanged his pounds for the equivalent amount of dollars. uniform 相同的,一样的。Likely adj.很可能的，有希望的。Alike(表语形容词)相同的，相象的。

　　31. The generation _____ makes it difficult for parents to understand their children's opinions.

　　A. division B. gap C. separation D. interval

　　B. gap.

　　generation gap 代沟。

　　division分，划分;separation分开;interval间隔，间隙;(幕间或工间)休息。at intervals 不时，时时w*w*w*k*s*5*u*c*o*m

　　32. If the boy had _____ the dog alone it wouldn't have bitten him.

　　A. set B. left C. had D. put

　　B. left.

　　leave sb./sth. alone不惹，不管，不碰：Leave the box alone.(别碰那个盒子。)

　　33. The illness from which Mary is suffering has now been _____ as hepatitis (肝炎).

　　A. diagnosed B. determined C. deduced D. discovered

　　A. diagnosed.

　　diagnose...as 把......诊断为......。

　　本题译文：玛丽的病现已诊断为肝炎。

　　34. I hope my teacher will take my recent illness into _____ when judging my examination.

　　A. regard B. account C. thought D. observation

　　B. account. w*w*w*k*s*5*u*c*o*m

　　take sth. into account(=consider)考虑到：We must take local conditions into accoutn