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【判断题】
垂直两直线的同面投影都互相垂直。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】They have abandoned city life and settled in the country, living on ______ in the fields.
A.
what they grow
B.
that they grow
C.
how they grow
D.
which they grow
【判断题】请根据短文内容判断下面句子正误。 City life and country life An increasing number of people around the world are moving from the country to the city. It's said that by the year 2050, up to 85 percent of the world's po...
A.
正确
B.
错误
【简答题】City life and country life An increasing number of people around the world are moving are moving from the country to the city. It's said that by the year 2050, up to 85 percent of the world's populati...
【单选题】线性表L=(a1,a2,...,an)用数组实现,假定删除表中任一元素的概率相同,则删除一个元素平均需要移动元素的个数是( )。
A.
(n-1)/2
B.
n/2
C.
(n+1)/2
D.
以上都不对
【单选题】线性表L=(a1，a2,...，an)用数组表示，假定删除表中任一个元素的概率相同，则删除一个元素平均需要移动的元素个数是
A.
n
B.
n/2
C.
log2n
D.
n log2n
【判断题】请根据短文内容判断下面句子正误。 City life and country life An increasing number of people around the world are moving from the country to the city. It's said that by the year 2050, up to 85 percent of the world's po...
A.
正确
B.
错误
【判断题】请根据短文内容判断下面句子正误。 City life and country life An increasing number of people around the world are moving from the country to the city. It's said that by the year 2050, up to 85 percent of the world's po...
A.
正确
B.
错误
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