It is definite that new digital mobile phones have less radiation, but that does not ______ mean that they should be used without caution. [ ]
A.
obviously
B.
necessarily
C.
generally
D.
eventually
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举一反三
【简答题】Listen to the recording about a visit agenda and answer the questions. What is the relation between the two speakers? What is the name of this TV programme? How long has Julia been an air stewardess? ...