以下连接字符串的代码正确的是( )。 A: $myVar3 = "aaaa" + "bbb"; B: $myVar3 = "aaaa" . "bbb"; C: $myVar3 = "aaaa" join "bbb"; D: $myVar3 = join("aaaa","bbb");
以下连接字符串的代码正确的是( )。 A: $myVar3 = "aaaa" + "bbb"; B: $myVar3 = "aaaa" . "bbb"; C: $myVar3 = "aaaa" join "bbb"; D: $myVar3 = join("aaaa","bbb");
x = ['aaaa', 'bc', 'd', 'b', 'ba'] sorted(x, key=lambda item: (len(item), item))运行结果正确的是( )。 A: ['b', 'd', 'ba', 'bc', 'aaaa'] B: ['aaaa', 'ba', 'bc', 'b', 'd'] C: ['aaaa', 'b', 'd', 'ba', 'bc'] D: ['ba', 'bc', 'aaaa', 'b', 'd']
x = ['aaaa', 'bc', 'd', 'b', 'ba'] sorted(x, key=lambda item: (len(item), item))运行结果正确的是( )。 A: ['b', 'd', 'ba', 'bc', 'aaaa'] B: ['aaaa', 'ba', 'bc', 'b', 'd'] C: ['aaaa', 'b', 'd', 'ba', 'bc'] D: ['ba', 'bc', 'aaaa', 'b', 'd']
aaaa
aaaa
In 1803 the United States purchased Louisiana from _____.
In 1803 the United States purchased Louisiana from _____.
我国的旅游景区质量等级划分为()级 A: 级、AA级、AAA级、AAAA级、AAAAA级 B: AA级、AAA级、AAAA级、AAAAA级 C: AAA级、AAAA级、AAAAA级 D: AAAA级、AAAAA级
我国的旅游景区质量等级划分为()级 A: 级、AA级、AAA级、AAAA级、AAAAA级 B: AA级、AAA级、AAAA级、AAAAA级 C: AAA级、AAAA级、AAAAA级 D: AAAA级、AAAAA级
下图是某种遗传病家族的遗传系谱图。请写出Ⅰ1、Ⅰ3的基因型和Ⅲ1为不患该病的概率() A: AaAa和1/9 B: AaAa和8/9 C: AaAa和1 D: AaAA和1/16
下图是某种遗传病家族的遗传系谱图。请写出Ⅰ1、Ⅰ3的基因型和Ⅲ1为不患该病的概率() A: AaAa和1/9 B: AaAa和8/9 C: AaAa和1 D: AaAA和1/16
国际网球联合会成立于 A: 1903 B: 1803 C: 1913 D: 1923
国际网球联合会成立于 A: 1903 B: 1803 C: 1913 D: 1923
霍尔效应哪一年发现的? A: 1881 B: 1879 C: 1803 D: 1831
霍尔效应哪一年发现的? A: 1881 B: 1879 C: 1803 D: 1831
In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.
In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.
卢浮宫是_______年向公众开放的?( ) A: 1789 B: 1803 C: 1792 D: 1793
卢浮宫是_______年向公众开放的?( ) A: 1789 B: 1803 C: 1792 D: 1793