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【简答题】
设 满足约束条件 若 的最小值为 ，则 的值为 .
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举一反三
【单选题】There are many dictionaries here, but which one ______you? [ ]
A.
is belonging to
B.
is belonged to
C.
belongs to
D.
belongs
【单选题】If you desire an interview，I shall be most happy to call in person，on the day and at any time you may appoint．
A.
如你渴望面试，我一定遵照所约定之时日，前往拜访。
B.
如你有意面试，我会很高兴在你约定的任何日期时间去拜访你。
C.
如贵公司有意面试，本人一定遵照所约定之时日，前往拜访。
D.
如你渴望面试，我会很高兴在你约定的任何日期时间亲自给你打电话。
【简答题】阅读理解。 School Trip Students in Junior One had a great time on the school trip on Children's Day. They went to Blue Water World by bus. The teachers were very happy because the students cleaned the bu...
【简答题】The first Man on the Moon July 20th, 1969 was an important day. Two Americans landed on the moon. Their names were Armstrong and aldrin. They went there by spaceship. Its name was Apollo 11. Apollo 11...
【单选题】Which of the following best expresses the writers view on choice? ______
A.
Better more choice than no choice.
B.
Better no choice than more choice.
C.
All choice is easy.
D.
More choice, more anxiety.
【单选题】Which of the following was NOT a constraint on one’s choice of soulmate in the old days?
A.
The health condition of his or her grandmother.
B.
The geographical environment.
C.
The social convention.
D.
The family tradition.
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