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高考英语高频词汇(仅供各校高中英语教学参考。使用前请务必再次核对!).doc 熟背2月1号的58个单词 提前预习59-100的单词并抄写5遍英语一个汉语意思(必须上传照片) 不规则动词表.dms 背诵不规则动词表首字母A-G的单词及不规则形式 完成短文填词 A young man, while traveling through a desert, came across a spring of clear water. ___ (1) _____ water was sweet. He filled his leather container so that he could bring some back to an elder____ (2) _____ had been his teacher. After a four-day journey, the young man ___ (3) ___( present) the water to the old man. His teacher took a deep drink, smiled ___ (4) _____( warm), and thanked his student very much for the sweet water. The young man went home____ (5) _____ a happy heart. After the student left, the teacher let __ (6) ______ student taste the water. He spit out, ___ (7) ____( say) it was awful. Apparently, it was no longer fresh because of the old leather container. He asked his teacher, “ Sir, the water was awful. Why did you pretend to like ___ (8) _____?” The teacher replied, “You tasted the water. I tasted the gift. The water was simply the container for an act of kindness and love. Nothing could be ____ (9) ____( sweet).” We understand this lesson best ___ (10) ____ we receive gifts of love from children. Whether it is a cheap pipe or a diamond necklace, the proper response is appreciation. We love the idea within the gift rather than the thing.
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【单选题】利用单纯形法求解极大化的线性规划问题时,如果在某一步计算中,单纯形表的部分内容如下,则( ) C j 3 1 2 0 C B X B b x 1 x 2 x 3 x 4 1 x 2 4 -4 1 0 1 2 x 3 10 1 0 1 -1 σ j 5 0 0 1
A.
以x1作为换入变量,以x2作为换出变量
B.
以x4作为换入变量,以x2作为换出变量
C.
以x1作为换入变量,以x3作为换出变量
D.
以x4作为换入变量,以x3作为换出变量
【简答题】( )os livros são dele.两本书的都是他的。
【简答题】地点副词填空 Isto ( ) são os meus livros .
【简答题】Expression de temps et de cause. Conjuguez les verbes et chosez la bonne réponse. Monsieur le Maire, (1) Depuis / Il y a quelque temps, notre village est enlaidi (2) en raison / étant donné du nom...
【简答题】地点副词填空 Estes livros ( )são muito interessante.
【简答题】Vendes os teus livros usados ? ____________ baratos?
【单选题】A Susana ___________ os livros na sua pasta.
A.
faz
B.
põe
C.
fala
D.
ponho
【简答题】Obligaron a los judíos a salir del país o a convertirse ______ el cristianismo.
【单选题】Aquilo (________) são meus livros.
A.
aqui
B.
C.
ali
【单选题】利用两阶段法求解线性规划问题时,如果在第一阶段求得的单纯形表如下,则( ) C j 0 0 0 1 1 C B X B b x 1 x 2 x 3 x 4 x 5 0 x 2 4 -4 1 0 1 0 0 x 3 10 1 0 1 -1 0 1 x 5 1 -2 0 0 -2 1 σ j 2 0 0 3 0
A.
当前解即为线性规划问题的最优解
B.
以 x4 作为换入变量,以x2作为换出变量,继续进行迭代
C.
该表为第一阶段的最优单纯形表,需要以(0,4,10) 作为基可行解,进行第二阶段的计算
D.
该表为第一阶段的最优单纯形表,但因为人工变量x5=1≠0,故线性规划问题不存在可行解,结束运算
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