第17题: [单项选择]天津海岸电台的海上移动业务识别码是()。 A. 004122010 B. 004121100 C. 004123100 D. 412001100 参考答案:A
第18题: [单项选择]Grover Cleveland was the first president ________in the White House. A. got married B. to get married C. has got married D. was married 参考答案:B 答案解析:非谓语动词用法。此处所填内容应是修饰表语the first president的后置定语,且此句已有系动词was;而选项A、C、D均为完整的谓语动词,所以为避免谓语动词罗列,只能选择选项B.to ge