内容正文:
Unit 3 Computers
主题语境类型:人与社会 话题:科学与技术 话题涉及教材其他内容:必修5 Unit 3 Life in the future;选修7 Unit 2 Robots;选修8 Unit 2 Cloning & Unit 3 Inventors and inventions
高频考点探究 深层探究高频考点,在探究运用中提升关键能力
1.signal vi.& vt.发信号 n.信号
[经典例句]
With their ability to see ahead,they could signal any problem,so that fast-moving trains would be able to react in time.
(2022·全国乙)
由于它们能够看到前方,它们可以发出任何问题的信号,以便快速行驶的列车能够及时作出反应。
[语境运用]
①We use this air horn to give signal in the event of
emergency.
②As soon as he sat down at the table,he signalled the
waiter to bring the menu.
a
单句语法填空
to
The bell rang,and signalled that school was over.
→③The bell rang, .
(非限制性定语从句)
→④The bell rang, .
(分词作状语)
which signalled that school was over
句式升级
signalling that school was over
[归纳拓展]
(1)signal (to) sb.to do sth. 示意某人做某事
signal (to) sb.that... 示意某人……
(2)give a signal (to sb.) (向某人)发信号
2.arise (arose,arisen) vi.出现;发生;起身;起床
[经典例句]
Now a team of researchers led by Damián Blasi at the University of Zurich,Switzerland,has found how and why this trend arose.
(2022·新高考全国Ⅰ)
现在,由瑞士苏黎世大学的Damián Blasi领导的一个研究团队已经发现了这种趋势是如何产生的以及为什么会产生。
[语境运用]
①To our great surprise,many problems (arise) ever
since the host was replaced.
have arisen
单句语法填空
一句多译
休息时,他开始处理课上出现的问题。
②At break,he got down to dealing with the matters .
.(分词作定语)
③At break,he got down to dealing with the matters .
.(定语从句)
arising from/
out of his class
which arose
from/out of his class
[归纳拓展]
arise from=arise out of
由……引起/产生;从……中产生
arise from one’s chair/seat
从椅子/座位上站起来
[特别提示]
arise为不及物动词,表示“出现,发生”时,主语一般为argument,
difficulty,misunderstanding,problem,quarrel,trouble等抽象名词,无被动语态。
1.as a result 结果
[经典例句]
As a result,they burned more fat during walks on an empty stomach than when they had eaten first.(2020·江苏)
结果,他们在空腹散步时燃烧的脂肪比先吃过东西时多。
[语境运用]
①That is to say,mo