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(' 二年级下学期
'); document.write(' '); document.write(' Unit 1 '); document.write(' Back to School'); document.write(' '); document.write('

'); document.write('

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

'); document.write('

');