2020中考核心词汇详解S字部(2)
31. single
adj.单一的,单个的;单身的
关联词组:
single room单人房;
single bed单人床
用法小结:
1表示“仅有一个的,单一的,单个的”,仅用于名词前。例如:
I couldn't understand a single word she said! 
她讲的东西我一个字都听不懂!
2表示“未婚的,单身的”。例如:
Are you still single? 
你还是单身吗?
反义词:married  adj.已婚的
2019,安徽卷,单项填空)
7.—Hello, Beijing Hotel. Can I help you?
Yes, I'd like to_____ a single room for two nights.
A. enter        B.move         
C.book          D.provide
32. situation
n.形式,情况,状况,局面
用法小结:
关联词组:
present situation现状;
general situation概况;
economic situation经济形势,经济状况;
international situation国际形势;
political situation政治局势
用法:ina… situation处于……局面/情况。例如:
We have all been in similar situations. 
我们都遇到过类似的局面。
2019,浙江卷,完形)
___2___, their economic(经济的situation changed when she became ill with laryng it is(喉炎) in 1894.
2. A. Although   B. So           
C.However        D. Besides
33. skill
n.技能,技巧 
用法小结:
关联词组:
communication skill沟通技巧;
writing skill书写技能;
sort of和kind of
social skill社交能力
用法:尤指通过学习和实践获得的技艺,相当于ability
skill in/at (doing sht.)表示某方面的技能。例如;
His skill at dealing with people got him a nice job.
因为擅长与人打交道,他得到了一份好工作。
词性转换:
skilled  adj.熟练的;有技能的;
skillful(ly)  adj.熟练的,巧妙的;
skillfulness  n.灵巧,有技巧
2019,山东卷,单项填空)
28.A break between classes is a good time for students to play sports and talkwith their classmates. So it _________helps with students' health, _________improves their social s
kills.
A.either; or                     
B. neither; nor                   
C.not only; but also
34. slow
adj.&adv.慢慢的(地),缓慢的(地);
v.(使)慢下来,使(减速)
用法小结:
1作形容词,表示“(缓)慢的;耗时的”,指速度不快,或进展不快。例如:
The car was travelling at a very slow speed. 
汽车正以非常慢的速度行驶。
2slow本身可作副词,和slowly区别如下:
一般slowly视为slow的常用副词;有时,slow作为非正式用语或在路标等中也用作副词,亦可用以构成复合词;
slow通常用于比较级和最高级;比较级时slowermore slowly均可。例如:
slow-moving traffic 缓慢行进的车辆
Can you speak slower/more slowly?
你说慢点行吗?
3作动词,可及物,可不及物;通常用于
slow (sth.) down(使)慢下来,(使)减速。例如:
Growth in sales has slowed down.
销售的增长放慢了。
The ice on the road slowed us down.
由于路面结冰,我们放慢了速度。
反义词:quick/fast  adj.快的
2019,北京卷,阅读COur minds process a lot of information and time seems toslowdown.
35. smart
n.聪明的,机灵的;智能的;时髦的
用法小结:
1表示“聪颖的,明智的”,例如:
I was smart enough to wait for a week. 
我很明智,等了一个星期。
2表示“智能的”,指机器、材料、技术等。例如:
smart phone智能电话
He felt an extreme sense of loss. 
他感到及其失落。
3用来形容人“衣着讲究、光鲜的”,或表示“时髦的”。例如:
You look very smart in that suit. 
你穿上这套衣服显得很精神。
词性转换:
smartly  adv.漂亮地;潇洒地;
smartness  n.机灵,敏捷
同义词:clever  adj.聪明的
2019,北京卷,阅读DNowadays, smart machines give us access to most human knowledge.
36. smell
v.嗅;闻到;发气味;n.气味
词形变化:
过去smelledsmelt
过去分词smelledsmelt