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【单选题】
《接触网安全工作规程》规定，进行高空作业时，人员不宜位于线索受力方向的反侧，并采取防止线索（ ）的措施。A.
（A）滑脱
B.
（B）抽脱
C.
（C）碰伤
D.
（D）反弹
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举一反三
【单选题】--What's the matter with Tom? He has been absent for two days. --He ______ be ill. Let's go and ask Mrs Brown.
A.
can
B.
need
C.
may
【简答题】用适当的介词填空 Tom has been absent from work due ____illness.
【单选题】(2105.26)-What's the matter with Tom ?He has been absent for two days. - Oh! He be ill.Let's go and ask Ms brown.
A.
can
B.
need
C.
may
D.
would
【单选题】Tom has been absent for two days．Do you know what _________ to him?
A.
has happened
B.
would happen
C.
was happened
D.
had happened
【单选题】- What's the matter with Tom? He has been absent for two days. - Oh! He be ill.Let's go and ask Ms Brown.
A.
can
B.
need
C.
may
D.
would
【单选题】-What's the matter with Tom? He has been absent for two days. -Oh! He _____ be ill. Let's go and ask Ms. Brown.
A.
can
B.
need
C.
may
【单选题】Tom has been absent for two days. Do you know what ( ) to him?
A.
has happened
B.
would happened
C.
was happened
D.
had happened
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