在我们的人生旅途中难免会遇到这样或那样的挫折。下列语句中属于正确看待挫折的是 ( )
①挫折是把“双刃剑” ②不经风雨何以见彩虹
③胜败乃兵家常事 ④命运不济,老天不公
世界上海洋和陆地的比例是 ( )
Last year, three hundred English teachers took part in the ______ English training.
Don't eat the noodles___________ your hands. Here you are. The chopsticks.