6. block vt. 堵塞;阻碍n. 街区;木块;石块
[典例]
1). He lives three blocks away from here. 他住的地方与此处相隔三条街.
2). A large crowd blocked the corridors and exits. 人群把走廊和出口都堵死了
[重点用法]
a block of 一大块
block out 堵住
block off 封锁;封闭
block up 堵塞;阻碍
[练习] 中译英
1). 他们在绕楼群散步。
__________________________________________________________________________________________
2). 大雪阻塞了所有通往苏格兰的道路。
__________________________________________________________________________________________
答案:
1). They are taking a walk round the block.
2). Heavy snow is blocking all roads into Scotland.
Ⅳ重点词组 (旨在提供综合运用所需材料)
5. straight adj.笔直的;正直的 adv. 直接;挺直
[典例]
1). This is a straight road. 这是一条直路。
2). She went straight from school to university. 她中学一毕业就马上进了大学。
[练习] 中译英
1).我的领带系得正不正?
2). 一直往前看。
答案: 1). Is my tie straight?
2). Look straight ahead.
4. recognize vt. 辨认出;承认;公认
[典例]
1). I recognized her by her red hat. 我根据她的红色帽子认出了她。
2). Everyone recognized him to be the lawful heir/as the lawful heir. 大家都承认他为合法继承人。
[重点用法]
recognize…by sth 认出或识别某人/某事物
recognize…as sth 承认某人/某事物是
recognize…to be承认…是
[练习] 中译英
1). 人们都承认他是他们理所当然的领袖。
__________________________________________________________________________________________
2). 我认出他是我朋友的哥哥。
__________________________________________________________________________________________
答案:
1). He is recognized to be their natural leader.
2). I recognized him as my friend’s brother.
3. request n.& v. 请求;要求
[典例]
1). Your requests will be granted. 你的请求能够获准。.
2). I requested him to help. 我请求他帮忙。
[重点用法]
at sb's request/at the request of sb应某人之请求
by request (of sb) 应(某人的)请求; 经(某人之)要求:
on request 一经要求: request sth (from/of sb)要求, (尤指)请求某人做某事:
[练习] 中译英。
1). 我是(特别)应你要求而来。
__________________________________________________________________________________________
2). 请不要吸烟。
__________________________________________________________________________________________
答案: 1). I came at your (special) request.
2). You are (kindly) requested not to smoke.
2. command n.& v. 命令;指令;掌握
[典例]
1). The officer commanded his soldiers to fire. 那名军官命令士兵们开火。
[重点用法]
command sb. to do sth 命令某人做某事
be under the command of 由…指挥,由…控制
be in command of 控制…
be at one’s command 听任某人支配
have / take command of… 指挥…
[特别提醒]
command后接that从句时要用虚拟语气
[练习] 用适当的介词填空
1). For the first time in years, she felt ______ command of her life.
2). The army is __________ the king’s direct command.
3). The police arrived and took command ________ the situation.
答案: 1). in 2). under 3). of
单元要点预览(旨在让同学整体了解本单元要点)
词汇 部分 |
词语 辨析 |
1. voyage/journey/travel/trip/tour
2. frequent/common/ordinary/general/regular 3. especially/ specially 4. a number of / the number of |
|
词形 变化 |
1. actual adj. 实际的 |
actually adv. 实际上;事实上 |
|
2. base n. 基地;基础 |
base v. 以……为根据 |
basic adj. 基本的 |
|
3. east n. 东方 |
eastern adj. 东方的;东部的 |
|
|
重点 单词 |
1. present n. 礼物adj. 在场的;目前的vt. 赠送 2. command n.& v. 命令;指令;掌握 3. request n.& v. 请求;要求 4. recognize vt. 辨认出;承认;公认 5. straight adj.笔直的;正直的 adv. 直接;挺直 6. block vt. 堵塞;阻碍n. 街区;木块;石块 |
||
重点 词组 |
1. come up走近;上来;提出 2. make use of 利用;使用 3. such as例如;像这种的 4. play a part (in) 扮演一个角色;参与 5. because of 因为;由于 |
||
重点句子 |
1. Why do you think people all
over the world want to learn English? 2. 状语从句中的省略 |
||
重点语法 |
直接引语和间接引语 (见语法部分) |
I词语辨析 (旨在提供完形填空所需材料)
1. voyage/journey/travel/trip/tour |
[解释] voyage: 去国外或较远地方的海上旅行 journey: 指较远的从一地到另一地旅行 travel: 一系列的旅程,尤指旅行的概念 trip: (短途)旅行 tour: 为了公务、娱乐或教育参观多处名胜的旅行 |
[练习]用上面所提供的辨析词的适当形式填空 1). It is tiring to take a long _______ by train from Paris to Moscow. 2). The _________ from England to Australia used to take several months. 3). We’ll have time for a ______ to France next weekend. 4). We went on a guided ______ round the castle. 答案: 1). journey 2). voyage 3). trip 4). tour |
2. frequent/common/ordinary/general/regular |
[解释] frequent经常的,时间或间歇很短的发生或出现 common 通常的、常发生的、广泛使用或众所周知的 ordinary指种类普通且不能从其他中加以区别的,有时含贬义 general一般性的,到处的;不限于领域、地区或应用 regular平常的;惯例的;习惯性的、通常的或正常的 [练习]用上面所提供的辨析词的适当形式填空 1). This is a ___________ problem. 2). He often makes ___________ errors of judgment. 3).Look at the train’s ___________ schedule. 4).The violinist gave a very ___________ performance marked by an occasional memory lapse. 5).As a ____________ rule I am home by six. 答案: 1). common 2). frequent 3). regular 4). ordinary 5). general |
3. especially/ specially |
[解释] especially意思是“尤其,特别”,表达事物的不寻常或特别重要 specially 指为了某一目的,专门做某事 [练习]用上面所提供的辨析词的适当形式填空 1). Our city is very beautiful, ___________ in spring. 我们城市很美丽,尤其在春天。 2). He came here ___________ to ask you for help. 他是专程来这里向你求助的。 答案: 1). especially 2). specially |
4 a number of / the number of |
[解释] a number of意思是“若干;许多” the number of意思是“……的数目” |
[练习]用上面所提供的辨析词的适当形式填空 1). Today ___________ people learning Chinese in the world is raising rapidly. 2). ____________ books in the market are in English. 答案: 1). the number of 2). A number of |
II词性变化 (旨在提供语法填空所需材料)
1. actual adj. 实际的 |
actually adv. 实际上;事实上 |
|
2. base n. 基地;基础 |
base v. 以……为根据 |
basic adj. 基本的 |
3. east n. 东方 |
eastern adj. 东方的;东部的 |
|
[练习]用括号内所提供词的适当形式填空 1) What did he _________ say? (actual) 2) The __________ cost was much higher than we had expected. (actual) 3)My knowledge of physics is pretty _________. (base) 4)She used her family's history as a _________ for her novel. (base) 5)This novel is ________ on historical facts. (base) 6)He is interested in ________ customs. (determine) 7) The wind is blowing from the __________. (determine) 答案: 1) actually 2) actual 3) basic 4) base 5) based 6) eastern 7) east |
Ⅲ 重点词汇 (旨在提供综合运用所需材料)
1. present n. 礼物adj. 在场的;目前的vt. 赠送
[典例]
1). The mountain bike is a birthday present from my parents.这辆山地自行车是父母给我的生日礼物。
2). I am afraid I can’t help you at present. 恐怕现在我没法帮助你。
3). Were you present when the decision was announced? 宣布那项决定时你在场吗?
4). In the present case, I advise you to wait. 按照目前的情况,我建议你等等。
5). May I present my new assistant to you? 请允许我向你介绍我的新助手。
[重点用法]
make sb. a present of sth.将某物赠送给某人
at present/ at the present time目前
be present at出席
present-day attitudes/fashion现在的态度/流行款式
present sb.with sth = present sth. to sb.把某物送给某人
[练习] 中译英
1). 所有(那些)在场者一眼就看出那个错误。
__________________________________________________________________________________________
2). 这本书是哥哥赠送给我的。
__________________________________________________________________________________________
答案: 1). The mistake was obvious to all (those) present.
2). This book was a present from my brother.
21、(本小题满分13分)设函数,其中为正整数.
(Ⅰ)判断函数的单调性,并就的情形证明你的结论;
(Ⅱ)证明:;
(Ⅲ)对于任意给定的正整数,求函数的最大值和最小值.
20、(本小题满分13分)椭圆的左、右焦点分别为F1、F2,过F1的直线l与椭圆交
于A、B两点.
(Ⅰ)如果点A在圆(c为椭圆的半焦距)上,且|F1A|=c,求椭圆的离心率;
(Ⅱ)若函数的图象,无论m为何值时恒过定点(b,a),
求的取值范围.
19、(本小题满分13分)已知数列满足
(Ⅰ)求;
(Ⅱ)已知存在实数,使为公差为的等差数列,求的值;
(Ⅲ)记,数列的前项和为,求证:.
18、(本小题满分12分)如图,斜三棱柱,已知侧面与底面ABC垂直且∠BCA =90°,∠,=2,若二面角为30°.
(Ⅰ)证明;
(Ⅱ)求与平面所成角的正切值;
(Ⅲ)在平面内找一点P,使三棱锥为正三棱锥,
并求P到平面距离.
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