若x,y和z均是int型变量,则执行下面表达式后的x值为 【7】 。 x=(y=4)+(z=2)
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对一组记录54,38,96,23,15,72,60,45,83进行直接插入排序时,当插入第5个记录到有序表时,寻找插入位置需比较 【4】 次。
TEAM-BUILDING THROUGH ACTIVITIES Nowadays, company bosses are increasingly trying to find unusual team-building events as part of their training programme. An activity park (29) . Fast-track has just opened to offer (30) events to attract the corporate entertainment market, (31) (32) is growing all the time. The park is situated just a few kilometres outside the city centre (33) it provides events that (34) entertain as well as train. Clients can try outdoor attractions such as sailing or climbing, (35) availability clearly depends entirely (36) the weather. Activities (37) kind are perfect team-building exercises. Tom has (38) been to an activity park before, explained James Black, a company manager. Before we came, I didn’t think we (39) enjoy ourselves so much and I didn’t expect the huge difference that Fast-track’s programme has (40) to my team. Now we work better together than we did before. 30
A. such
B. like
C. so
数据库系统在三级模式之间提供了两层映像,这两层映像是外模式/模式映像和 【5】 。