document.write('

'); document.write(' '); document.write('

'); document.write('

'); document.write(' '); document.write(' '); document.write(' '); document.write(' '); document.write(' '); document.write(' '); document.write(' '); document.write(' '); document.write('

'); document.write('

'); document.write(' '); document.write(' '); document.write(' '); document.write(' '); document.write(' '); document.write(' '); document.write(' '); document.write(' '); document.write(' '); document.write(' '); document.write('

'); document.write('

'); document.write(' 四年级下学期
'); document.write(' '); document.write(' Unit 2 '); document.write(' Having a Picnic'); document.write('
Lesson 1 '); document.write(' How about a Picnic?'); document.write(' '); document.write('

'); document.write('

'); document.write(' 2023年最新学年'); document.write('

'); document.write('

');