在环境生态学中,生化需氧量用()代表。
A、COD
B、BOD
C、AOD
D、SOD
参考答案:B
I have a lot before the exam so I can't watch too much TV now.
A.to be done
B.doing
C.to do
D.do
咪唑类()属巴比妥类静脉全麻药()属苯环己哌啶类()甾类()
A.硫喷妥钠
B.氯胺酮
C.依托咪酯
D.普尔安
E.安泰酮
F.丙泊酚