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【简答题】
已知100元钱买了100只鸡,其中母鸡3元/只,公鸡2元/只,小鸡0.5元/只。求分别可以买母鸡、公鸡、小鸡各多少只? 思路: 可以使用穷举法,假设母鸡最多为33只,则母鸡的范围应该在1-33之间变化,公鸡,最多50只,公鸡的范围在1-55之间变化,剩下即为小鸡。循环实现。
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反馈参考答案：
举一反三
【单选题】¿Qué harás mañana?
A.
Me compré un barco.
B.
Salí con los amigos
C.
Estaré en casa
D.
Sería lo mejor
【单选题】患者，女，63岁。近三天痰多，胸闷，慢性咳喘30年，喘息不得卧，一身面目浮肿，舌暗胖，苔白腻略黄。用药应选用的药物是( )
A.
葶苈子
B.
麻黄
C.
地龙
D.
旋覆花
E.
杏仁
【单选题】Asia is important to America because America’s future _____ trade with Asia’s growing economies．
A.
depends on
B.
takes off
C.
sets up
D.
breaks out
【单选题】The author describes' America the Beautiful' as a song which is______.
A.
America's official national anthem
B.
hopeful and peaceful
C.
familiar and
D.
about war time memory
【简答题】对刀前首先要确定好工件的 。
【单选题】Going to the moon is an example of ______.
A.
America's dreams and creativity
B.
America's childish and queer behavior
C.
why America hasn't grown up
D.
why America is considered the greatest country in the world
【单选题】Which of the following happened in 1812?
A.
America was attacked by the British.
B.
America's national flag was invented.
C.
America's national flag was well accepted.
D.
America's national anthem was born.
【单选题】Going to the moon is an example of ______ .
A.
America's dreams and creativity
B.
America's childish and queer behavior
C.
why America hasn't grown up
D.
why America is considered as the greatest country in the world
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