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【单选题】
在应用弯曲正应力公式时,最大正应力应限制在( )以内。A.
比例极限
B.
弹性极限
C.
屈服极限
D.
强度极限
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【简答题】Para.4 Abraham Lincoln 5. What enabled Lincoln to succeed despite all the misfortunes in his life? (Paras. 4) His ___________________.
【简答题】What enabled the earliest balloons to fly? [A] Gas produced by metal and coal. . [B] Air kept hot by burning coal. [C] Hydrogen heated by a. gas burner. [D] Natural gas carried in a metal container.
【单选题】What has enabled the volunteers to rescue all the remaining whales on the beach?
A.
The tide rising at noon.
B.
Buckets of water.
C.
Feverish rescue efforts.
D.
Many dump trucks.
【单选题】What enabled Abraham Lincoln to succeed?
A.
fortune
B.
optimism
C.
efforts
D.
ambition
【单选题】Protocol was ________ enabled him to make difficult decisions without ever looking back.
A.
who
B.
what
C.
which
D.
that
【单选题】You can find _________ you need at the shopping centre, which isalways busy at the weekend.
A.
whichever
B.
wherever
C.
whoever
D.
whatever
【单选题】What is true about version-enabled tables？（）
A.
The unit of versioning is the schema.
B.
It is possible to version enable a table pertaining to SYS.
C.
There are as many segments as versions for the same base table.
D.
It is possible to create workspaces if there is no version-enabled table in the database.
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