勇敢的直向前冲
造句:面对困难,要勇往直前,和困难作斗争
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- 1本人英语太差,
- 2甲乙两弹簧振子的周期比为1:3 振幅之比为2:5 则每秒路程之比为?求详解
- 3一汽车从A地去B地如果每小时行50千米则迟到15分,如果每小时行60千米则早到15分,从A地到B地计划几小时到
- 4he went to american to learn some english as well as to travel 为什么是to tr
- 5已知abc是三角形ABC的三边长,且满足a^4+b^4+c^4=a^2b^2+b^2c^2+c^2a^2
- 6he is the fishbowl in watching the fish 怎样排序
- 71.5×10四次方m=( )km 8.9×10九次方nm=（ ）m
- 8某市出租车的计费标准是:起步价12元(3千米以内,包括3千米),以后每行驶1千米(不足1千米按1千米计算）
- 9It is said that no passengers were injured in the accident.的各个句子成分
- 10cos0等于多少?