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【单选题】
一棵度为5、节点个数为n的树采用孩子链存储结构时，其中空指针域的个数是( )。A.
4n-1
B.
4n
C.
4n+1
D.
5n
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【简答题】These two countries have different .
【简答题】眼球中层为葡萄膜，此层由相互衔接的三部分组成由前到后________、________和________。
【简答题】《红楼梦》中最有才华的女子是________,最有管理才能、敢于大胆改革的女子是________,最泼辣狠毒的女子是________。
【单选题】These two countries are similar ______ they both have a high snowfall during winter.A．to which B
A.
25. These two countries are similar ______ they both have a high snowfall during winter. A．to which
B.
in which
C.
in that
D.
except that
【单选题】An industry ischaracterized by scale economies, and exists in two countries. Should these two countries engage in trade such that the combined market is supplied by one country's industry, then
A.
consumers in both countries would suffer higher prices and fewer varieties.
B.
consumers in the importing country would suffer higher prices and fewer varieties.
C.
consumers in the exporting country would suffer higher prices and fewer varieties.
D.
consumers in both countries would enjoy fewer varieties available but lower prices.
E.
None of the above
【简答题】《红楼梦》中最有才华的女子是(),最有管理才能、大胆改革的女子是(),最泼辣狠毒的女子是( )。
【单选题】An industry is characterized by scale economies, and exists in two countries. Should these two countries engage in trade such that the combined market is supplied by one country's industry, then
A.
consumers in both countries would have more varieties and lower prices.
B.
consumers in both countries would have higher prices and fewer varieties.
C.
consumers in the importing country only would have higher prices and fewer varieties.
D.
consumers in the exporting country only would have higher prices and fewer varieties.
E.
consumers in both countries would have fewer varieties at lower prices.
【简答题】葡萄膜又称血管膜，色素膜，富含色素和血管，次层右互相衔接的三部分组成，由前到后为()、()、()。
【单选题】These two countries are similar ____ they both have a high snowfall during winter.
A.
to that
B.
besides that
C.
in that
D.
except that
【单选题】These two countries are similar they both have a high snowfall during winter.
A.
to which
B.
in which
C.
in that
D.
except that
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