第14题: [单项选择]It was in 1777 ______ Vermont, threatened with invasion, declared itself an independent commonwealth. A. when B. that C. in which D. which 参考答案:B 答案解析:句法结构题。根据句法知识可知，此处为一强调结构句型，根据相关知识可知B是符合句子结构的最佳选项，为正确答案。句意：正是在1777年，受到侵略威胁的凡尔蒙特宣告成为一个独立的共同体。
第28题: [单项选择]She watched him ______ all the handles and gears in his automobile until she thought she could run it herself. A. manipulate B. use C. control D. dominate 参考答案:A 答案解析:(manipulate熟练地使用，操作)。句意为：她注视着他操纵汽车上所有的档位和传动装置，直到她觉得自己也能够驾驶该车为止。B．use使用；C．control控制；D．dominate支配，统治，控
