人教版精品英语资料（精校版）
Section_ⅡWarming Up & Reading — Language Points
(一)选出与画线部分意思相同或相近的选项
1．I wanted to go out, but I had no money. I had no alternative but to stay at home.
A．chance C．income
B．choice
D．method
2．After three days without food, the men were close to starvation. A．start C．hunger
B．star
D．thirsty
3．I can only give a tentative opinion, for I’m not sure which one is the best. A．tent C．tension
B．fixed
D．unfixed
4．Let us assume for a moment that the plan succeeds. A．believe C．support
B．suppose
D．advise
5．We now have ample money for the journey. A．example C．enough
B．little
D．some
6．Primitive man made tools from sharp stones and animal bones. A．Fresh C．Male
B．Female
D．Ancient
7．When the summer crop is ripening,_the autumn crop has to be sowed. A．roping C．gathering
B．full-grown
D．watering
8．These form an independent category. A．sort C．nature
B．land
D．department
答案：1～5 BCDBC 6～8 DBA (二)根据所给词性和汉语意思写出单词
9．preserve vt.保持；保存→preserver n．保护者；保护物
10．specific adj.特定的；具体的；确切的→specifically adv.确切地；具体地；特定地
11．botany n．植物学→botanical adj.植物学的
12．accuracy n．精确；准确→accurate adj.精确的；准确的→accurately adv. 精确地；准确地
13．interrupt vt.打断(话)；中断等→interruption n．打扰；中断(时间)
14．sharpen vi.&vt. (使)锋利； 尖锐；清晰→sharpener n. 磨具；削具→sharp adj. 锋利的； 尖锐的； 清晰的
15．messy adj. 凌乱的； 脏的→mess n. 杂乱，混乱 16．analysis n．分析→analyses(复数)→analyze vt. 分析
1．alternative
[教材原句] Can you think of the alternatives we would use today? 你能想到我们今天可供利用的办法吗？ (1)n.[C]可能的选择；供选择的东西
①You have the alternative of riding or walking. 你可以在骑车和步行中选择一种。
②I have no alternative but to work hard. 除了努力工作我别无选择。
③have the alternative of doing sth. 有做……的选择；可以做…… ④have no alternative but to_do sth. 别无选择只好做……
[点津] 表示“别无选择只好做某事”的表达很多，还有：
cannot but do sth.; can’t choose but do sth.; have no choice but to do sth.; have nothing but to do sth.。
(2)adj.供选择的；其他的
⑤The way was blocked, so we went by an alternative road. 这条路被挡住了， 因此我们走了另一条路。
2．interrupt vt.&vi.打断……讲话；打岔；暂时中断或中止
[教材原句] I’m sorry to interrupt you but how could they live here?
对不起，打断了你的讲话，但他们怎么会住在这儿呢？ ①The noise interrupted us in our conversation. 噪声打断了我们的谈话。
②The traffic in Ludian County Yunnan Province was interrupted by this terrible earthquake.
云南省鲁甸县的交通被这次可怕的地震所阻断。
interrupt, disturb
interrupt disturb [自填助记] ①The noise in the stores always disturbed the neighbors. ②Footsteps on the staircase interrupted his train of thought. 3．assume vt. 假定；设想
[教材原句] So we think it is reasonable to assume they lived in these caves, regardless of the cold.
因此，我们有理由认为他们不顾严寒，就住在这些洞穴里。 (1)assume sth. assume sb. /sth. to be It is assumed that ... (2)assumption n. assuming (that) ... 假设……；假装…… 假定/假设某人/某事为 据认为…… 假定；设想 假定……；设想…… 有“打断， 打扰”之意，侧重打断 表示“打扰，扰乱”，暗含“使(人)心神不宁”之意 ①His look of astonishment was assumed. 他那惊讶的样子是装出来的。
②We assumed him to be the best writer of our time. 我们认为他是我们这个时代最好的作家。
③It_is_assumed_that this is the best possible translation. 据认为这可能是最佳译文。
④Assuming that the weather is favourable, farmers will have a bumper harvest. 假如风调雨顺，今年农民将获丰收。
[点津] 部分分词可以转化为连词，引导条件状语从句。常见的还有： supposing (＝ suppose)， providing(＝ provided)，
【精校版】高中英语(人教版 选修8)教师用书：Unit 5 Section_Ⅱ Warming Up
