PVC的拼接不可用()
A、胶水溶接
B、钢丝捆扎
C、法兰连接
D、橡胶圈密封
参考答案:B
酯酰辅酶A在肝脏β-氧化的酶促反应顺序是
A.脱氢、再脱氢、加水、硫解
B.硫解、脱氢、加水、再脱氢
C.脱氢、加水、再脱氢、硫解
D.脱氢、脱水、再脱氢、硫解
The growth of their economy is ______ , not in reality. Many of their statistics are false.
A. in figures B. in factC. in the red D. in form