内容正文:
必修第一册
UNIT 5 LANGUAGES AROUND THE WORLD
(主题语境:人与社会—文化渊源)
1. 练一练(base)
① First, he showed us the_______(base) steps and skills of making delicious bread.
② She goes to see her parents on a regular_________.
③ ________(base) an important decision more on emotion than on reason, you will regret it sooner or later.
④ Scientists have built an earlywarning system _______(base) on mathematical models.
⑤ There have been some problems but __________ it’s a good system.
basic
basis
Basing
based
basically
归纳拓展
base vt. 以……为据点;以……为基础 n. 底部;根据
词性变换
basic adj. 基本的;基础的
basis n. 基础;基准
短语
1、base...on/upon... 把……建立在……基础上
2、be based on/upon 以......为基础;依据……
3、on a daily/regular basis 每天/定期
basically adv. 基本上,从根本上说,大体上
写作微练 句式升级/完成句子
⑥ The restaurant is based on trust, and it is working all right.
→____________________, the restaurant is working all right. (过去分词短语作状语)
Based on trust
⑦ 我定期活动他的小腿,以防止他的肌肉衰弱。
___________________________________________ to keep his muscles from
weakening.
I moved his lower legs on a regular basis
学以致用
2024 高考一轮复习用书
2. 练一练(variety)
① I am glad that our students have ________of questions to ask in class, and I would love to answer them in _________ ways. In addition, the questions ______ from person to person. (variety)
② Some goods vary _____season___prices(有些商品的价格随着季节而变化).
③A variety of books _____(be) on the desk, which will be given to the children in a remote village. Actually,the variety of books _______(be) astonishing.
④He was engaged in a lot of extra-curricular activities, _________(vary) from dancing to literary creation(vary).
varieties
various
vary
with
in
are
is
varying
(1)a variety of=varieties of=various 各种各样的;不同种类的=a range of
(2)vary from...to... 从……到……不等 = range from ...to...
vary with... 随……而变化
vary in 在.......方面不同
(2)“a variety of+复数名词”作主语时,谓语动词用复数;“the variety of+复数名词”作主语时,谓语动词要用单数。
vary v.相异;变化
vari