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【单选题】

Few airlines want to impose a total ban on their passengers using electronic devices because.

A.
they don’t believe there is such a er as radio interference
B.
the harmful effect。of electromagnetic interference is not yet to be proved
C.
most passengers refuse to take a plane which bans the use of radio and cassette players
D.
they have other effective safety measures to fall back on
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参考解析:
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【多选题】2013年末资产负债表中,下列计算正确的是( )。

A.
货币资金为696.9万元
B.
存货为1704万元
C.
应收账款为198万元
D.
长期股权投资为560万元