分式 可变形为( ).
A:
B:﹣
C:
D:﹣
根据短文内容判断正误。对的写正确,错的写错误。
I have a lot of clothes. They are in my bedroom. Look, my new dress is on the bed. It's red. It's so nice. I like it a lot. My shoes are under the bed. They’re black and white. My jeans are on the chair. They’re blue and old. They're too small now. I want a new pair.
某部队将在指定山区进行军事演习,为了使道路便于部队重型车辆通过,部队工兵连接到抢修一段长3600米道路的任务,按原计划完成总任务的13后,为了让道路尽快投入使用,工兵连将工作效率提高了50%,一共用了10小时完成任务.
“人生如同调味瓶,苦辣酸甜伴你行,万事难尽遂人愿,何不高歌去探求。”这首诗告诉我们( )
①人生难免有挫折,挫折是普遍存在的 ②做中学生不易,做一个好学生更难
③不要苛求生活,应该积极地创造生活 ④应该以积极的态度对待挫折