I ____ each of the group leaders immediately work out a practical plan of study.
A. hope
B. except
C. wish
D. suggest
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---____ you booked the tickets in advance,we would have left for Italy.-If so,we ____ the ball and failed to see a lot of interesting people there.
A. had;should miss
B. should;might have missed
C. should;had missed
D. had;would have missed
从介质访问控制方法的角度来看,局域网又可分为()和()。
网络中常用的无线传输介质,主要有()、()、()、()。
商品信息采编在电子商务领域中的重要性主要体现在( )。
A. 传递商品信息、减少咨询
B. 提升商品品牌形象
C. 减少库存和产品积压
D. 提高转化率