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【单选题】
When I worked as a bank clerk, I had the opportunity to meet a rich ______ of people: students, soldiers and factory workers.A.
diversity
B.
kind
C.
range
D.
variety
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【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
【简答题】周期表中,处于斜线位置的 B 与 Si 、 Be 与 、 Li 与 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】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,人们习惯上把这种现象称之为对角线规则。
【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
【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】How long is there the usual guarantee?
【简答题】A.ordinary B.normal C.common D.usual
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