当补价占整个交易额的比重小于25%时,该交易仍被定性为非货币性交易。( )
参考答案:对
Next Friday we _____ our first field trip.[ ]
A. are going to go
B. are going
C. go on
D. are going on
黏多糖贮积症最常见的酸性黏多糖主要有3种,即()
A.硫酸类肝素
B.硫酸皮肤素
C.硫酸角质素
D.硫酸软骨素C
E.硫酸软骨素A