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【简答题】
某关键节点的最早时间为5,则最迟时间为( )
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反馈参考答案：
举一反三
【单选题】Last week our geography teacher told us _____ more information about how to protect the environment. [ ]
A.
get
B.
got
C.
to get
D.
getting
【单选题】In the room ______ window is wide open ______.
A.
which, does our teacher live
B.
whose, does our teacher live
C.
whose, lives our teacher
D.
which, live our teacher
【单选题】—What did our geography teacher say? —She told us that the earth _____ around the sun.
A.
moves
B.
moved
C.
has moved
D.
was moving
【单选题】Our geography teacher is interested in _____ stamps. He has a great stamp _____. [ ]
A.
collected; collection
B.
collecting; collection
C.
collect; collector
D.
collecting; collector
【单选题】—What did our geography teacher say? —She told us that the earth ___________ around the sun.
A.
moves
B.
moved
C.
has moved
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