All kinds of things in the environment can affect sleep． [ ] A．attack B．have eff
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All kinds of things in the environment can affect sleep．
[]
A．attack B．have effect on
C．damage D．complain
试题答案
答案：B
All kinds of things in the environment can affect sleep．
[]
A．attack B．have effect on
C．damage D．complain
答案：B