行包装运的次序应该（）。
A、先远后近
B、先近后远
C、上重下轻
D、上轻下重
参考答案：A
If the building project ___ by the end of this month is delayed, the construction company ___ fined.
A．will be completed; is to be
B．to be completed; will be
C．being completed; will be
D．completed; was
铅可
A．抑制δ-氨基-γ-酮戊酸脱水酶和血红素合成酶B．抑制某些含铁的酶C．抑制某些含铜的酶D．抑制含巯基的酶E．抑制细胞色素氧化酶
