____________ touch with 和......失去联系
2.contribute ____________ 有利于,促进
make ____________ to... 对......做出贡献
3.be accessible ____________ 可接近的;可靠近的;可使用的
get/have ____________ to 得以接近/进入/使用
4.be absorbed ____________ 全神贯注于
focus ____________ 全神贯注于,集中于
5.rid...____________ 摆脱,除去
be rid ____________ 摆脱
get rid ____________ 摆脱;丢弃;扔掉
【答案】 1.keep;get;lose 2.to;a contribution/contributions 3.to;access 4.in;on 5.of;of;of
Ⅲ.重点句式
1.John Logie Baird constructed the first colour TV in 1928, but ____________ (但直到1938年)the first colour TV programme was broadcast.
2.____________(然而二十多年后), though, until 1951, for regular colour TV broadcasts ____________(开始)in the USA.
3.Satellites allow TV to be broadcast live over vast distances, ____________(每个人在同一时间收到) the same broadcast at the same time.
4.I was at the dentist's last Sunday to ____________(检查牙齿).
5.________________________ (并不是所有的一切)that you hear is very important.
【答案】 1.it was not until 1938 that 2.It took more than two decades;to begin 3.with everyone receiving 4.have my teeth checked 5.Not everything
Ⅳ.回顾话题
用本单元的词汇或句式完成下列写作任务
有了移动电话,无论我们在哪儿,都可以和别人保持联系。但它有一些明显的缺点。例如,大多数情况下,手机的辐射对我们的健康是有害的。因此,一些人拒绝使用手机。对我个人而言,我不反对使用手机,而且,我认为手机携带起来很轻便,用手机发短信也很方便。