We were at school together. I haven't seen her for
as if/though 似乎,仿佛 She looked as if she'd had some bad news. I felt as though I'd been lying in the sun for hours. They stared at me as if I was crazy. even though 尽管 Even though he left school at 16, he still managed to become prime minister.
M7 U1
Reading
The evolution of video and sound devices
Important expressions
• the evolution of video and sound devices Title • shortly afterwards L4 • contributed to the development of TV L6 • was very primitive and had many drawbacks L8 • made important breakthroughs L9 • in the late 1920s and early 1930s L10 • TVs use many of the principles L10 • constructed the first colour TV L12 • regular colour TV broadcasts were delayed L15
• Sound and video go digital. L42 • The first CDs were made available. L43 • make … things of the past L49-50 • keep pace with L51 • foresee what the future will bring L51-52 • adaptations were made L9 P5 • Relay conversation and music L9 P5 • had access to L13(倒数L3) P5 • The primary means of getting news and
get down to; the key to…
2. It took more than two decades, though, until
1951, for colour broadcasts to begin in the USA. (L13-14) 但是彩色电视节目一直到1951年才得以 在美国开播,这其间一共经历了二十多年的时间 。
entertainment L14(倒数L2) P5
1.Many different people contributed to the
development of TV. (L6) 很多不同的人对电视的发展作出了贡献。
contribute: verb [vi or vt] 1) 捐助，贡献
必修6 Come to the meeting if you feel you have
• throughout the countryside and the remote areas L22-23
• a small percentage of people L23
ห้องสมุดไป่ตู้ benefit from satellite TV L24 • broadcast the signals L24-25 • made the first recording of a human voice L27 • used round tubes to record on L28-29 • used discs as alternative to tubes L30 • be wound up by hand L31 • Times surely have changed! L32 • employed steel tape to record on L35 • by the late 1960s L38-39
• within a short time
L15
• Satellites allow TV programmes to be broadcast live L19
• over vast distances L20
• over a long distance L2 P5
• make TV accessible to people who live far away from cities L21
注意：以下短语中 “to” 是介词， 后接名词或动名词：
look forward to; take to; refer to;
get/be used to;
be/get/become accustomed to;
lead to;
contribute to；
devote to;
pay attention to;
something to contribute.
Her family have contributed £50, 000 to the fund. 2) 投稿
She contributes to several magazines. contribute to sth. 有助于，成为……的原因
Smoking certainly contributed to his early death.
though conj. 1) 虽然
She hasn’t phoned, even though she said she would. 2) 但是
They’re coming next week, though I don’t know
which day.
adv. despite this: 可是,不过