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cease compromise condemn conflict erode
exhaust mandate preferable prolong promote
A.favorable
B.favorite
C.preferred
D.preferable
A.expensive
B.thick
C.hot
D.polluted
Packet-switching wireless networks are preferable(66)when transmissions are(67)bemuse of the way charges are(68)per packet. Circuit-switched networks are preferable for transferring large files or for other lengthy transmissions because customers are(69)for the(70)of time they use the network.
A.to
B.for
C.than
D.only
A.The sea travel in Britain has become more important.
B.The sea travel in Britain has become less important.
C.The most preferable form. of transport in Britain is the sea travel.
D.In Britain, the least preferable form. of transport is the sea travel.
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