(12 )按行优先顺序存储下三角矩阵
的非零元素,则计算非零元素 a ij (1 ≤ j ≤ i ≤ n) 的地址的公式为
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According to the text, the emotional computer________ .
[A] has a promising prospect
[B] is financially unaffordable
[C] is technically impracticable
[D] has a specialized user group
What is new about this year's meeting?
[A] The cost for registration is low.
[B] It offers money to some groups.
[C] Individual students are welcome.
[D] There is wireless Intemet service.
The country ’s first fast food chain has _________opened about 130 stores since it entered the market in 1990.
[A]so far
[B]in the end
[C] year by year
[D] sooner or later
What was Alan doing at that time?
[ A] She was taking a rest.
[B] She was preparing for an exam.
[ C] She was taking an exam.