招标是一个卖方面对多个买方，买方之间的竞争使卖方在价格及其他条件上有较多的比较和选择。()
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【B14】
A. in
B. on
C. up
D. off
【B15】
A. admiration
B. necessity
C. initiative
D. obligation
What can be inferred from the first paragraph？
A. EU and US are always having disagreements on almost everything.
B. US becomes an enemy of EU because of their satellite network.
C. The talks between EU and US have resulted in complete agreement.
D. Even though disagreement still exists, agreement can be expected.
A．Because he lost fifty dollars.B．Because he wasted his time.C．Because his brain wasn'
A. Because he lost fifty dollars.
Because he wasted his time.
C. Because his brain wasn't very active.
D. Because he watched just one program.
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