最小生成树
A.Prim算法:
procedure prim(v0:integer);
var
lowcost,closest:array[1..maxn] of integer;
i,j,k,min:integer;
A、hardly
B、defective
C、supreme
D、rare
A.1945
B.1954
C.1964
D.1965
third year in high school that the possibility came into 63(). Until then I' d been bored by everything associated. 64 ()English courses. I found English grammar dull and difficult. I hated the assignments to turn out long. 65() paragraphs that were agony for teachers to read and for me to write.
When our class was assigned to Mr. Fleagle for third-year English, I anticipated another
cheerless year in that most tedious subject. Mr. Fleagle had a reputation among students for
dullness and an 66() to inspire. He 67() very formal, rigid and 68() out of date. To me he looked to be sixty or seventy and excessively prim (正经的、规矩的). He wore primly severe eyeglasses, and his wavy hair was primly cut and primly combed. He wore prim suits with neckties set primly against the collar buttons of his prim white shirts. He had a primly pointed jaw, a primly straight nose, and a prim manner of speaking that was.69() correct and gentlemanly 70() he seemed a comic antique.
61A.while
B.off
C.off and on
D.on
62A.was
B.wasn't
C.Ois
D.isn't
63A.be
B.to be
C.being
D.been
64A.on
B.with
C.to
D.about
65A.vivid
B.live
C.lifeless
D.life
66A.disability
B.unable
C.unability
D.inability
67A.said
B.was said
C.was said to be
D.was said being
68A.hopelessly
B.hopeless
C.hope
D.hopes
69A.such
B.so not
D.very
70A.which
B.SO
C.that
D.then
Thus, the typical court case begins in a trail count—a court of general jurisdiction—in the state or federal system.Most cases go to further than the trial court; for example, the criminal defendant is convicted (by a trial or a guilty plea)and sentenced by the court and the case ends; the personal injury suit results in a judgment by a trail court (or an out-of-court settlement by the parties while the court suit is pending)and the parties leave the court system.But sometimes the losing party at the trial court cares enough about the cause that the matter does not end there.In these cases, the "loser" at the trial court may appeal to the next higher court.
1.It can be inferred from the passage that typical court cases are().
A.always appealed
B.usually resolved in the district courts
C.always overlapping
D.usually settled by the supreme court
2.The passage indicates that litigants who lost their cases in the state trial court may take them to a().
A.different trial court in the same state
B.court in a different geographic region
C.federal trial court
D.state supreme court
3.What does the passage mainly discuss?()
A.Civil and criminal trial courts
B.Trial court cases
C.The court system in the United States
D.The appeal court process
4.In the last sentence of the first paragraph, the phrase "engaged in" could best be replaced().
A.committed to
B.involved in
C.attentive to
D.engrossed in
5.According to the passage district courts are known as().
A.circuit courts
B.supreme courts
C.intermediate courts
D.trial courts
A.优先队列Q中顶点的键值指这个顶点与A集合中点的最小权边的权重
B.从Q中取出一个顶点的实质是在应用MST性质选择连接A与VA的最小权边
C.算法执行结束后,生成树有n-1个顶点
D.算法以优先队列为空为结束条件