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【单选题】
函数 y = sin2 x cos2 x 是A.
周期为 的奇函数
B.
周期为 的偶函数
C.
周期为 的奇函数
D.
周期为 的偶函数
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举一反三
【单选题】下列关于工程分析的方法不正确的是( )。
A.
类比法是用与拟建项目类型相同的现有项目的设计资料或实测数据进行工程分析的方法
B.
资料复用法常用于评价等级较高的建设项目
C.
物料衡算法主要用于污染型建设项目的工程分析
D.
工程分析的方法有类比法、物料衡算法和资料复用法
【单选题】Love can't conquer all. So, before couples tie the knot, they should know what they're getting into. The taboo against couples living together before marriage is decreasing, and more and more people a...
A.
getting acquainted with each other
B.
dating each other
C.
living together before marriage
D.
getting married
【单选题】听力原文： Valentine's Day is the time of the year when couples show their love for each other by sending cards, flowers and chocolates. But it is not only about public displays of affection: in recent yea...
A.
More than 20 million.
B.
More than 1 billion.
C.
More than 80 million.
D.
More than 3 billion.
【单选题】Marriage may be about love, but divorce is a business. For global couples—born in different countries, married in a third, now working somewhere else and with children, pensions and other assets @tink...
A.
Malta.
B.
England.
C.
France.
D.
Austria.
【单选题】The couples’ love was _____ when the husband was crippled in the car accident.
A.
stood the test
B.
put to the test
C.
plunged into
D.
packed up
【单选题】Love can't conquer all. So, before couples tie the knot, they should know what they're getting into. The taboo against couples living together before marriage is decreasing, and more and more people a...
A.
getting acquainted with each other
B.
dating each other
C.
living together before marriage
D.
getting married
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