第4题: [单项选择]By 1830 the glass industry in the United States had become too well established that the country no longer needed to depend on imported glass.
参考答案:B 答案解析:答案:B
分析:so …that为固定用法。Too改为so。
改正:too → so
翻译参考:到1830年,美国的玻璃产业是如此的成熟以至于它不再需要依赖于进口的玻璃了。