手持球、绳、棒、圈、带所作的各种不同难度的练习属于()
A.轻器械体操
B.艺术体操
C.竞技体操
D.团体操
参考答案:B
下列定影液配方,错误的是
A.硫代硫酸钠
B.亚硫酸钠
C.碳酸钠
D.钾矾
E.冰醋酸
Jimmy was so nervous not a single word down in the dictation.
A.he wrote
B.he was written
C.did he write
D.was he written