1．下列物质或细胞结构中，没有核糖参与组成的是

A．转运RNA　　　 B．质粒　　　　　 C．核糖体　　　　　 D．ATP

5．其他结构+介词to+动名词 (1) get down to doing sth. 开始做某事，认真处理某事 (2) look forward to doing sth. 盼望做某事 (3) What do you say to doing sth? 你认为做某事如何？

4．be+形容词+介词to+动名词 (1) be equal to doing sth. 等于做某事，能胜任做某事 (2) be used to doing sth. 习惯于做某事 (3) be opposed to doing sth. 反对做某事 (4) be reduced to doing sth. 使某人沦为做某事 (5) be devoted to doing sth. 把时间(钱，精力等)献给做某事 (6) be limited to doing sth. 把…限制在做某事的范围内

3．动词+名词+介词to+动名词 (1) give one’s life to doing sth. 献身于做某事 (2) give one’s mind to doing sth. 专心做某事 (3) have a dislike to doing sth. 厌恶做某事 (4) have an eye to doing sth. 注意做某事 (5) have an objection to doing sth. 反对(反感)做某事 (6) pay attention to doing sth. 注意做某事 (7) set one’s mind to doing sth. 决心做某事

2．动词+宾语+介词to+动名词 (1) apply oneself to doing sth. 专心致力于做某事 (2) devote sth. to doing sth. 把…献给做某事 (3) devote oneself to doing sth. 献身于做某事 (4) limit sth. to doing sth. 把…限制在做某事的范围内 (5) reduce sb. to doing sth. 使某人沦为做某事

注：同时注意一下相似结构： in exchange for 作为对…的交换 　　　　　　　　　　　　in preparation for 为…作准备 in return for 作为…的报答 　　　　　　　　　　　　　　　in reward for 作为…的报酬 in addition to 加之，除…之外 　　　　　　　　　　　　　　in answer to 回答，响应 in contrast to [with] 与…形成对比 　　　　　　　　　in opposition to 与…相反，反对 in reply to 作为对…的回答(答复) 　　　　　　　　　in response to 回答，响应 in [with] reference to 关于 　　　　　　　　　　　　　in [with] regard to 关于

(2) 双宾语易位时需借助介词for的常用动词 book sb. sth. = book sth. for sb. 为某人预定某物 buy sb. sth. = buy sth. for sb. 为某人买某物 choose sb. sth. = choose sth. for sb. 为某人选某物 cook sb. sth. = cook sth. for sb. 为某人煮某物 draw sb. sth. = draw sth. for sb. 为某人画某物 fetch sb. sth. = fetch sth. for sb. 为某人去取某物 find sb. sth. = find sth. for sb. 为某人找到某物 fix sb. sth. = fix sth. for sb. 为某人准备某物 get sb. sth. = get sth. for sb. 为某人拿来某物 make sb. sth. = make sth. for sb. 为某人做某物 order sb. sth. = order sth. for sb. 为某人订购某物 pick sb. sth. = pick sth. for sb. 为某人采摘某物 prepare sb. sth. = prepare sth. for sb. 为某人准备某物 save sb. sth. = save sth. for sb. 为某人留某物 sing sb. sth. = sing sth. for sb. 为某人唱某物(歌) spare sb. sth. = spare sth. for sb. 为某人让出某物 steal sb. sth. = steal sth. for sb. 为某人偷某物 注：有的动词后接的双宾语易位时，既可用介词to引出间接宾语，也可用介词for引出间接宾语，含义相同，如bring，play等： Bring me today’s paper. = Bring today’s paper to [for] me. 把今天的报纸拿给我。 He played us the record he had just bought. = He played the record he had just bought for [to] us. 他放了他刚买的唱片给我们听。 有的动词后接的双宾语易位时，即可用介词to引出间接宾语，也可用介词for引出间接宾语，含义不同，如leave等： They left me no food. = They left no food for me. 他们没给我留一点食物。 My uncle left me a large fortune. = My uncle left a large fortune to me. 我叔叔死后留下一大笔财产给我。 而有的动词后接双宾语时，既不能用介词to引出间接宾语，也不能用介词for引出间接宾语，如allow, ask, cause, charge, cost, forgive, refuse等： He allows his son too much money. 他给他儿子的钱太多。 He asked me some questions. 他问了我一些问题。 This caused me much trouble. 着给我带来了许多麻烦。 He charged me five dollars for a cup of tea. 他一杯茶向我要了5美元。 His mistake cost him his job. 他的错误让他丢了工作。 I envy you your good luck. 我羡慕你的好运。 They forgave him his rudeness. 他们原谅了他的鲁莽。 He refused her nothing. 她要什么就给什么。

intend to do sth / intend doing sth.想要做某事 attempt to do sth / attempt doing sth. 试图做某事

cease to do sth / cease doing sth. 停止做某事

注：不要受汉语意思的影响，下面的是正确的搭配： “原谅某人做某事” excuse [forgive] sb. for doing sth.。 “希望某人做某事” wish sb. to do sth.。 “建议某人做某事” advise sb. to do sth.。 “安排某人做某事” arrange for sb. to do sth.。 “要求某人做某事” demand of sb. to do sth.。 “感谢某人做某事” thank sb. for doing sth.。 “祝贺某人做某事” congratulate sb. on doing sth.。 “阻止某人做某事” prevent sb. from doing sth.。

注：有些不及物动词后习惯上也接不定式，不接动名词： aim to do sth. 打算做某事 　　　　　　　　　　fail to do sth. 未能做某事 long to do sth. 渴望做某事 　　　　　　　　　　happen to do sth. 碰巧做某事 hesitate to do sth. 犹豫做某事 　　　　　　　　struggle to do sth. 努力做某事