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【单选题】
对有关概念的描述,错误的是( )。A.
土壤环境背景值指在自然状况或相对不受直接污染情况下土壤中化学元素的正常含量
B.
土壤自净作用指土壤受到污染后,在物理、化学、生物的作用下,逐步消除污染物达到自然净化的过程
C.
污染源的强度是指污染物的浓度
D.
城市工业容量指城市自然环境条件、城市资源能源条件、城市交通区位条件、城市经济科技发展水平等对城市工业发展规模的限度
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举一反三
【单选题】We thank you for the L/C No. 001579, _____ which we have been notified today by the Bank of China.
A.
with
B.
for
C.
by
D.
of
【单选题】We notified the bank to amend the clause _________ “partial shipment is permitted”.
A.
read
B.
reading
C.
to read
D.
to be reading
【单选题】We notified the bank to amend the clause _________ “partial shipment is permitted”
A.
to be reading
B.
to be read
C.
to reading
D.
to read
【单选题】We notified the bank to amend the clause _________ “partial shipment is permitted”.
A.
to reading
B.
to read
C.
to be read
D.
to be reading
【单选题】We thank you for the L/C No.134,______ we have been notified today by the Bank of China.
A.
with which
B.
for which
C.
by which
D.
of which
【简答题】We notified the bank to amend the clause
_________ “partial shipment is permitted”.A. to reading B. to read C. to be read D. to be reading
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