【判断题】当执行LAHF和SHAF两条指令后,标志位不改变。()
【多选题】藏族已列人《人类口头和非物质文化遗产名录》的是
【简答题】已知数列{a n }是首项为a 1 =4,公比q≠1的等比数列,且4a 1 ,a 5 ,-2a 3 成等差数列,求公比q的值.
【判断题】中国人民银行决定,自 2008年 10月27日起,将最低首付款比例调整为20%。(
【单选题】The difference between the main idea and main points is:
A.
Main ideas are the smaller chunks of the speech while main points represent the central idea.
B.
Main ideas are the central purpose of the speech while main points are smaller chunks related to the main idea.
C.
Main ideas are signposts that lead the audience in a direction and main points transition between thoughts.
D.
Main ideas and main points are the same thing.
【简答题】已知数列{a n }是首项为1,公差为d的等差数列,数列{b n }是首项为1,公比为q(q>1)的等比数列. (1)若a 5 =b 5 ,q=3,求数列{a n ·b n }的前n项和; (2)若存在k(k≥2),使得a k =b k .试比较a n 与b n 的大小,并说明理由..
【判断题】中国人民银行决定,自2008年10月27日起,将最低首付款比例调整为20%。