‎已知a='pYthon'，下面哪条语句可以令b为第一个字母大写的字符串'Python'。‌ A: b=a.lower() B: b=a.upper() C: b=a[0].upper()+a[1:].lower() D: b=a[1].upper()+a[2:].lower()

将字符串a="abcd"转成大写<br/>() A: a.upper() B: a.lower() C: a.title()

下面代码的输出结果是（）。 a=Python a.lower() A: python' B: Python' C: PYTHON' D: 出错

If a country’s saving rate declined, then other things the<br/>same, in the long run it would have () A: lower<br/>productivity, but not lower real GDP per person. B: lower<br/>productivity and lower real GDP per person. C: lower<br/>real GDP per person, but not lower productivity D: neither<br/>lower productivity nor lower real GDP per person.

John Steinbeck mainly wrote about lower and lower middle class.

Small population may mean ______. A: higher productlvity, but a lower average income B: lower productivity, but a higher average income C: lower productivity and a lower average income D: higher productivity and a higher average income

Less-for-much-less positioning involves meeting consumers' lower performance or quality requirements at a much lower price.

表示开头是小写的是 A: ^[a-z] B: [^[:lower:]] C: [^a-z] D: ^[[:lower:]]

Relative to the underlying stock, a call option always has A: a higher beta and a higher standard deviation of return. B: a lower beta and a higher standard deviation of return. C: a higher beta and a lower standard deviation of return. D: a lower beta and a lower standard deviation of return.

Which of the following is an effect of expansionary monetary policy A: lower prices. B: lower real output. C: higher employment.