重点句型与高考
1. It took more than two decades, though, until 1951, for colour broadcasts to begin in the USA.
A. It takes sb. some time to do sth. 此句型表示“某人做某事需花费多少时间”。句中take表示“花费”。 如：
1) _______ environmental damage is done, it takes many years for the
ecosystem (生态系统) to recover.
A. Even if B. If only C. While D. Once
答案D。一旦环境被破坏，生态系统需要经历多年才能恢复正常。
