【单选题】关于躯干骨的组成,下列哪一项是错误
B.
独立椎骨共有24块,即颈椎7块,胸椎12块,腰椎5块
C.
肋是12对,第1-10肋每一肋的前端有肋软骨
【简答题】My brother wanted to learn swimming and decided to the swimming pool in the sports center. ( take full advantage of )
【判断题】拉尼娜是东太平洋明显变冷,同时也伴随着全球性气候混乱,总是出现在厄尔尼诺现象之后。()
【简答题】My brother wanted to learn swimming and decided to the swimming pool in the sports center.
【简答题】Rewrite the sentences that begin with the words given. My brother wanted to play volleyball with his friends--- that’s all. All ______________________________________.
【判断题】氧化数有正负之分,既可以是整数,也可以是分数。