1 D 其余三个不能修饰比较级2 C 但我们会再建另一个.3 The population of the city is about 4,500,000 .( four million five hundred thousand )如果不明白,请再问；如果对你有所帮助,请点击本页面中的“选为满意回...最后一题翻译是填空的形式，原题是： The popuiation of this city is about ()()() ()million应该是： The popuiation of this city is about (four)(million )(five ) (hundred )thousand是题目错了吗，不会吧............如果没错就是The popuiation of this city is about (four )(and )(a ) (half )million不过建议楼主还是用：The popuiation of this city is about (four)(million )(five ) (hundred )thousand