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【简答题】
化简计算（式中a，b，c两两不相等）： 2a-b-c a 2 -ab-ac+bc + 2b-c-a b 2 -ab-bc+ac + 2c-a-b c 2 -ac-bc+ab
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举一反三
【单选题】The company gave some financial assistance to
A.
allow more people to study at a high level.
B.
promote retailing jobs in schools.
C.
train students in schools management.
【简答题】The more attention you pay to your study, ______ the study will be. A) more easier B) the easier C) the more easier D) easier as
【单选题】The company gave some financial assistance to
A.
allow more people to study at a high level.
B.
promote retailing jobs in schools.
C.
train student in school management.
【单选题】You will make some progress in your study of English ______ you keep more words in mind.
A.
as far as
B.
as soon as
C.
as well as
D.
as long as
【单选题】在路由器上显示 RIP 路由信息,cost 为 1 代表( )。
A.
路由花费为 0
B.
RIP 协议的优先级为 1
C.
到目的网段的跳数为 1
D.
路由进程号为 1
E.
路由权值为 1
【单选题】The more attention you pay to your study, _____________the study will be.
A.
more easier
B.
the easier
C.
the more easier
D.
easier as
【单选题】Although we’re quite busy with our study , some parents ________give us more pressure .
A.
never
B.
also
C.
always
D.
still
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