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【单选题】
BOD 是指( ) 。A.
化学需氧量
B.
生物需氧量
C.
水中氧气含量
D.
生化需氧量
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举一反三
【单选题】The officer gave orders that anyone _____ a gun should be reported to the police station.
A.
saw take
B.
seen taking
C.
seeing take
D.
seen taken
【单选题】The officer gave the order that soldiers ______ to go out at night.
A.
should not allow
B.
be not allowed
C.
mustn’t be allowed
D.
not be allowed
【单选题】Many critics of the current welfare system argue that existing welfare regulations foster family instability. They maintain that those regulations, which exclude most poor husband and wife families fr...
A.
those regulations encourage family dissolution
B.
the low-income families are not given enough the family assistance grants
C.
they expand the set of families eligible for family assistance
D.
the guaranteed income measures are increased
【单选题】Which of the following does not the banks to decide the credit lines of different customers?
A.
personal income
B.
occupation
C.
the creditworthiness
D.
sex determination
【简答题】将画线词的近义词填写在横线上,使得两句话意思一样: On an order from the officer the soldiers opened fire. = When the officer gave the ____________ the soldiers opened fire.
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