Unit 1 单元测试题第卷选择题(共65分). 单项选择(每小题1分,共15分)从各题后所给的A、B、C、D四个选项中选出最佳答案。( )1. What _ honest girl Millie is! Thats why she is _ most popular student in her class.A. an; / B. an; theC. a; the D. a; /( )2. You can t tell anyone about it. It s a _ only between you and me.A. test B. fact C. place D. secret( )3. The weather in Heilongjiang is much colder than _ in Guangdong inwinter.A. this B. tha