高中英语Unit12Period5WritingWorkshop课件北师大版选择性必修第四册

avail n.效用，利益 v．有助于；(使)对某人有利 His efforts were to no avail. 他的努力是徒劳的。 Guests should feel at liberty to avail themselves of your facilities. 客人们应可以随意使用你们的设施。
◇词汇拓讲 1．improvement n.改善，改进；改进之处 (P62)This was a great improvement on the Newcomen steam engine, which was commonly used at the time. 【翻译】这对纽科门蒸汽机是一个极大的改进，这种蒸汽 机在那个时候被广泛使用。
improvable adj. 可改良的；可利用的；可改善的；可更好 的
It advocates self-cultivation, and believes that human beings are teachable and improvable.
它提倡自我修养，认为人是可教化的、可完善的。
【语言提升】 improvement n.进步的实例；改善；进步；增进；帮助改善 之物(复数形式为improvements)
There has already been a definite improvement. 已经有了显著的改善。 Her work is showing some signs of improvement. 她的工作出现了一些改进的迹象。
【归纳拓展】
available for 可用于……的；对……有效的 available on 仅在……有效 available from 可向……购买 available resources 可用的资源
to no avail 无效；完全无用 not avail someone 对某人不起作用 of no avail 无效；不起作用 avail of 利用 without avail 无用；徒劳地
¤重点句式
(P62)________________ (随着这些……到来) new types of jobs and the availability of new products at lower costs. (介词短语 位于句首时，句子要倒装)
【答案】With this came
课堂新知讲练
【语言提升】
availability 有效；可用性；有益；实用性
This offer is subject to availability. 优惠至此产品售完为止。 After the receptionist gathers room-query data, the next step is always to check the availability of the required type of room. 在接待员收集到客房查询信息后，下一步往往是检查所需 类型的房间是否可入住。
【针对练习】 单句语法填空 (1)All the holidays on offer are subject to ______ (available)． (2)Most goods are ______________(avail), but at a price. (3)It is important to manage the warehouse product _________ _______ (available) to business enterprise. (4)Guests are encouraged ______________(avail)themselves of the full range of hotel facilities. 【 答 案 】 (1)availability (2)available (3)availably (4)to avail
(6)They should be __________(improve), so that families can adapt them to their needs.
【答案】(4)improvable (5)improver (6)improvable
完成句子 (7)We expect to see ____________ over the coming year. 我们期望来年会有更进一步的改善。 (8)Report writing involves finding information, analyzing it and presenting it—each with ____________________. 撰写报告包括寻找信息、分析信息和表述这些信息——每 一步都有可以改进的技巧。 【答案】(7)further improvement (8)an improvable skill
available adj. 可获得的；可购得的；可找到的；有空的 Since 1978, the amount of money available to buy books has fallen by 17%. 自1978年以来，可供买书的钱已减少了17%。
availably adv. 有效用地；可获得地 How to resolve this problem availably, has become the point thatБайду номын сангаасthe scholars study. 如何有效地解决这一问题，已成为学者们研究的重点。
7．be gifted in…
_在__…__…__方__面__有__天__赋___
8．be commonly used _被__广__泛__运__用_________
9．greater distance _更__远__的__距__离_________
10．reflect on…
_思__考__；__反__省__；__回__想___
This is why high availability is so important for all businesses, large and small.
这就是高可用性对所有企业，无论大小，都很重要的原 因。
Once you have this information, you have the basic parametres within which you need to design an availability solution.
This offer is subject to availability. 优惠至此产品售完为止。 After the receptionist gathers room-query data, the next step is always to check the availability of the required type of room. 在接待员收集到客房查询信息后，下一步往往是检查所需 类型的房间是否可入住。
2．availability n.可能性 (P62)With this came new types of jobs and the availability of new products at lower costs. 【翻译】随着这个(指前面提到的工业革命)的到来，各种 新型的工作以及更低成本的新产品也出现了。
一旦你有了这些信息，你就有了设计一个可用性解决方案 的基本参数。
And it should work in high availability environments, so that requests can always be throttled and dispatched.
它还应该能够在高可用性环境下工作，以实现随时对请求 进行节流和分派。
课前自主预习
¤重点单词
1．steam
n. ___水__蒸__气__；__蒸__汽__动__力___
2．kettle
n. ___水__壶__，__壶___
3．__b_o_il_____ vi. &vt. (使)沸腾，煮沸；(用开水)煮；
n．沸腾
4．__im__p_r_o_v_e_m_e_n_t__ n. 改善，改进；改进之处
5．__a_v_a_il_a_b_il_it_y____ n.可能性
1．蒸汽机 2．大量的 3．在那时 4．工业革命 5．以更低的成本 6．上上下下地
¤重点词块
__s_te_a_m__e_n_g_in_e_______ __a_l_a_rg_e__am__o_u_n_t_o_f___ __a_t _th_e__ti_m_e_________ __In_d_u_s_t_ri_a_l _R_e_v_o_l_u_ti_o_n __a_t _lo_w__e_r _c_o_st_s______ __u_p_a_n_d__d_o_w_n_______
We should capitalize on every chance we get to improve our English.
我们应该充分利用一切机会来提高英语水平。
【针对练习】 单句语法填空 (1)An _____(improve) in living standards could be years away. (2)Investors are growing impatient with promises of __________ (improve) earnings. (3)They’re researching into ways of __________(improve) people’s diet. 【答案】(1)improvement (2)improved (3)improving
The new governor is an improvement on his predecessor. 新任总督胜过他的前任。 improved adj. 改良的；改进过的 They are making substantial claims for improved working conditions. 他们就改善工作条件提出了实质性要求。
availability 还 可 以 表 示 “ 有 效 性 ”“ 实 效 性 ”“ 可 用 性”。
The nature and availability of material evidence was not to be discussed.
关键证据的性质和有效性将不予以讨论。 Researchers believe wide availability of cheap food is one of the main drivers. 研究人员认为，廉价食品的广泛供应是主要驱动力之一。
improving adj. 有启发的；有教育意义的 The Treviso team was an effective advertisement for the improving state of Italian club rugby. 特雷维索队是意大利俱乐部橄榄球改进状况的一个有效展 示。
improver n.改进者；改善者；改良物 The effective application of cold flow improver for diesel fuel was studied in this paper. 本文研究了柴油低温流动改进剂的有效应用问题。 improve vi. 增加；变得更好 vt. 改善，增进；提高……的 价值
(4)Anything that anyone does at work, from the most basic task to the most exalted(高贵的), is an __________(improve) skill.
(5)In addition, with the use of __________(improve)obtained by assembling the necessary flexibility.