五年级下册第四单元练习题(一)一、Read and choose.(读一读,选一选)(10分)( )1. firstA.一B.第一( )2. fourA.第四 B.四( )3. secondA.第二 B.第三( )4. fifthA.第五B.第十五( )5. twentiethA.第二十B.第十二二、Read and match.(读一读,连一连)(10分)1. Tree Planting DayA. December 25th2. Teachers DayB. March 12th3. May DayC. January 1st4. ChristmasD. September 10th5. New Years DayE. May 1st三、Read and write. 写出下列单词相应的形式。(20分)3rd-_ first-_