试写出:
连词成句。
① 13 ;② −3 ;③﹣ x2+1 ;④ 83 ;⑤ (−13)2 ;⑥ 1−x (x>1);⑦ x2+2x+3 .
“更喜岷山千里雪,三军过后尽开颜。”反映了红军战士对待挫折有着 ( )
—I like the one on the l____.It's cute.How about you,John?
—I like the one on the r____.It's strong.