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【简答题】
Write two words in the space to complete the sentence. also called the calorific flow, refers to the flow of energy through a food chain.
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】在对会计从业资格证书注册登记管理过程中, 对会计职业道德检查可以采用的的方式有( )。
A.
考核评价
B.
建立持证人员诚信档案
C.
建立激励机制
D.
建立自我约束机制
【简答题】The black was much _______ (ill) without any medicine.
【单选题】As a result of the Black Death, much land was left untended and there was a terrible shortage of ___ in England .
A.
grain
B.
farm tools
C.
houses
D.
labor
【简答题】光纤接入方式可以___以上的速率接入互联网。典型的无线接入系统主要由___、___、___、___和___组成。
【单选题】Why was the black box redesigned in 1965?
A.
New materials became available by that time.
B.
Too much space was needed for its installation.
C.
The early models often got damaged in the crash.
D.
The early models didn't provide the needed data.
【单选题】The American Visitor The big red American ear was much too wide for an English country road. When Paul Carson saw it coming towards him, he stopped his own car at the side, to make room for it to pass...
A.
Y
B.
N
C.
NG
【单选题】As a result of the Black Death, much land was left untended and there was a terrible shortage of _______ in England.
A.
grain
B.
farm tools
C.
houses
D.
labour
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