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2. rather than不是别的,而是……

[典例]

1). I think I'll have a cold drink rather than coffee. 我想喝冷饮, 不想喝咖啡.

2). It's management that's at fault rather than the work-force. 错在资方而不在劳方. 

 [短语归纳]

would rather do sth…than do sth…宁愿做……;而不愿做……=prefer doing…to doing…)

other than = except for除了……; 而非

[练习] 中译英

1). 他是跑来的而不是走来的。

_____________________________________________________________________________________

2). 她除了他以外没有好朋友。

_____________________________________________________________________________________

Keys: 1). He ran rather than walked.   2). She has no close friends other than him.

试题详情

1. in return 回报,作为报酬

[典例]

What can we do for them in return for all the help they have given us?              

我们将怎样来报答他们所给予我们的种种帮助呢?

[短语归纳]

in turn 轮流地,依次; 反过来            by turns 轮流地,时而…时而…

[练习] 中译英

1). 我请他喝酒以酬谢他的帮助。

_____________________________________________________________________________________

2). 向您献花聊表谢忱。

_____________________________________________________________________________________

Keys: 1). I bought him a drink in return for his help. 

2). These flowers are a small return for your kindness. 

试题详情

5. worth adj.值得(做某事); 有(做某事)的价值; n.价值; 用处

[典例]

1). The new car cost a lot of money, but it's certainly worth it. 买这辆新汽车花了很多钱, 但确实物有所值。

2). The thieves stole 1 million worth of jewellery. 窃贼偷走了价值100万英镑的珠宝。

[重点用法]

be worth doing sth值得(做某事); 有(做某事)的价值

worth of sth用于表示数量﹑ 持续时间等的名词之后,值某金额的量

[练习] 中译英

1). 这本书值得一读。

_____________________________________________________________________________________

2). 他有十英镑的汽油。

_____________________________________________________________________________________

Keys:  1). The book is worth reading/It's worth reading the book.

      2). He has ten pounds' worth of petrol.

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4. doubt n.怀疑;不确定; 不信任;v.对……无把握,怀疑

[典例]

1). He is without doubt the cleverest student I've ever taught. 他确实是我所教过的学生中最聪明的。

2). I doubt whether he'll come. 我不敢肯定他来不来。

[重点用法]

There is no doubt about sth./ that ….毫无疑问……

without doubt确定地;无疑地

I don’t doubt that …我肯定……(=I’m sure/certain that…)

I doubt if/whether …我不确定……(=I’m not sure/certain if/whether…)

[练习] 中译英

1). 不知道那是不是他想要的。

_____________________________________________________________________________________

2). 那件事情没有什么可疑之处。

_____________________________________________________________________________________

Keys: 1). I doubt if that was what he wanted. 

2). There's not much doubt about it.

 

试题详情

3. wonder n.惊奇,奇迹;不知道……(想知道)

[典例]

1). They were filled with wonder at the sight. 他们见此情景惊叹不已。

2). I wonder who he is. 我不知道他究竟是谁。

[重点用法]

wonder +从句“自忖……,自问……,不知道……(想知道)”

wonder +if从句“请问您是否……”(用于礼貌地提出请求)

wonder at对……感到惊奇

[练习] 中译英

1).我也不知道他们能不能准时到。

_____________________________________________________________________________________

2).难怪你来晚了!

_____________________________________________________________________________________

Keys: 1). I wonder whether they will arrive on time.    

2). No wonder you were late!

试题详情

2. consider  vt. 考虑;认为

[典例]

1). We are considering going to Canada, ie we may go there. 我们正考虑到加拿大去。

2). We consider this (to be) very important. 我们认为这非常重要。

[重点用法]

consider doing sth./sth.考虑做某事

consider sb./sth. as / to be…

consider it +形容词+ to do sth….认为做某事是……

considering…考虑到……

[练习] 中译英

1). 你是否考虑过如何到达那里?

_____________________________________________________________________________________

2). 他会被认为是个软弱无能的领导人。

_____________________________________________________________________________________

Keys: 1). Have you considered how to get there?

     2). He will be considered a weak leader.

试题详情

1. fancy adj. 不寻常的; 精致的; v. 想; 以为; 想像

[典例]

1). That's a very fancy pair of shoes! 那是一双非常别致的鞋!

2). I fancy (that) it's going to rain today. 我看今天要下雨

[重点用法]

fancy that…以为是……                fancy (sb’s) doing…想像(某人)做某事

fancy oneself    自负;自命不凡           fancy sb. to be / as 想象/认为某人会成为……

[练习] 中译英

1). 她竟如此放肆!

_____________________________________________________________________________________

2). 他以为她喜欢他。

_____________________________________________________________________________________

Keys: 1). Fancy her being so rude!    

2). He fancies she likes him.

试题详情

1.value n. 价值
valuable adj. 贵重的; 很有价值的
valueless adj. 无价值的; 没有用处的
2. survive v. 继续生存或存在
survival n. 存活; 幸存
survivor n. 幸存者
3. decorate v.  装饰
decoration  n.  装饰; 装潢
decorative adj.  装饰的; 作装饰用的
 
[练习]用括号内所提供词的适当形式填空
1)    The jawbone was our most _________ discovery. (value)
2)  They have ordered software to the _______ of 700. (value)
3)  He thinks our advice is _________, so he won’t take it. ((value))
4)  Many strange customs have __________ from earlier times. (survive) 
5)  This ceremony is a _________ from pre-Christian times. (survive)
6)  She is the only ________ in the accident. (survive)
7)    When will they finish the ________ of the bathroom? (decorate)
8)    The building was _________ with flags. (decorate)
9).  The coloured lights are very _________. (decorate)
Keys:  1) valuable      2) value      3) valueless     4) survived   5) survival     
6) survivor   7) decoration  8) decorated    9). decorative

试题详情

20.(16分)某班40个学生平均分成两组,两组学生某次考试的成绩情况如下表所示:

组别
平均数
标准差
第一组
90
4
第二组
80
6

(1)证明: 一组数据的标准差为;

(2)求这次考试全班的平均成绩和标准差.

试题详情

19.(16分) 计算式子,求满足上述式子的最小正整数n的算法如下,试补全下面伪代码并根据左面第一个算法画出流程图。

S1
I0
While S10000
I I+1
SS+2
End  While
Print (1)
 
S0
I0
While S10000
SS+2
I I+1
End  While
Print (2)
 
S0
I1
While S10000
(3)
(4)
End  While
Print (5)
 
 

解:(1)     (2)     (3)         (4)         (5)    

流程图为:

试题详情


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