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【单选题】
根据所运货物的危险程度，《IBC规则》将散装化学品船分成 种类型，其中 型适合于装载危险性最大A.
4 ，1
B.
4 ，4
C.
3，1
D.
3 ，3
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皮皮学刷刷变学霸
举一反三
【单选题】The boy has been going back home later _____, which worries his parents. [ ]
A.
as usual
B.
than usual
C.
as usually
D.
than usually
【单选题】It was an _______ day today, so he got up much earlier than _______. [ ]
A.
unusual; usual
B.
usual; unusual
C.
unusual; unusual
D.
usual; usual
【简答题】交流接触器符号是()
【简答题】周期表中处于斜线位置的 B 与 Si 、 、 性质十分相似,把这种现象称对角线规则 。
【单选题】There were fewer people in the shop than usual. There were ______.
A.
as many as usual
B.
not as many as usual
C.
as few as usual
D.
more than usual
【单选题】The monots are usually represented by _____________ .
A.
two cotyledons
B.
reticulate leaf venation
C.
flower parts in fours or fives or multiples of these numbers
D.
parallel leaf venation
E.
grass plants
F.
wood plants
【简答题】周期表中，处于斜线位置的B与Si、______、______性质十分相似，人们习惯上把这种现象称之为“斜线规则”或“对角线规则”。
【简答题】Where is snow usual in winter?
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