3.________ time 逐渐地;慢慢地
4.contribute ________ 对......做出贡献;有助于
5.make ________ breakthrough 取得重大突破
6.benefit ________ 受益于,从......中受益
7.wind ________ 上发条
8.keep pace ________ 与......齐头并进;与......保持同步
9.rely ________ 依靠
10.have access ________ 有使用......的权利(机会)
【答案】 1.in 2.with 3.over 4.to 5.a 6.from 7.up 8.with 9.on 10.to
根据提示补全下列教材原句
1.Most early TV broadcasts were made using a system ________________ John Logie Baird in the UK.
大部分早期的电视节目使用的是英国的约翰·洛吉·贝尔德开发的一种系统。
2.John Logie Baird constructed the first colour TV in 1928, but __________________ 1938 ________ the first colour TV programme was broadcast.
约翰·洛吉·贝尔德于1928年制造出第一台彩色电视机,但直到1938年第一个彩色电视节目才播出。
3.________________________, though, until 1951, for regular colour TV broadcasts ________ in the USA.
然而,二十多年后,直到1951年,彩色电视节目才在美国定期播出。
4.Satellites allow TV to be broadcast live over vast distances, ________________________ the same broadcast at the same time.
卫星可以长距离地现场直播电视节目,每个人在同一时间可以收到相同的节目。
5.Meanwhile, electrical components eventually became __________________, by the late 1960s, portable cassette players were developed, along with video recorders which were used by TV stations.
与此同时,电子元件在最后变得如此小,以至于到了20世纪60年代晚期