Which of the following isacceptable according to the return policy? A: The customer is allowed to return no more than 20% of the goods. B: The customer needs to pay 20% of the purchase price to return the goods. C: A 20% discount will be offered to the customer who would like to return the goods.

对于下列Hello类，哪个叙述是正确的？ classHello{ Hello(intm){ } intHello(){ return20; } hello(){ } }

With respect to the Dupont analysis, if a company's return on equity is 20% and return on assets is 12.5%, the company's debt-to-equity ratio is closest to:（） A: 0.60 B: 0.63 C: 1.67

def exchange(a,b): a,b = b,a return (a,b)x = 10y = 20x,y = exchange(x,y)print(x,y) A: 20,10 B: 20 20 C: 10 10 D: 20 10

下面代码的输出结果是 def exchange(a,b): a,b = b,a return (a,b) x = 10 y = 20 x,y = exchange(x,y) print(x,y) A: 20 10 B: 20 20 C: 10 20 D: 10 10

写出下面代码的运行结果( )def exchange(a,b): return (b,a)x = 10y = 20x,y = exchange(x,y)print((x,y)) A: 10 20 B: 20 10 C: (20, 10) D: (10, 20)

预测以下代码片段的输出结果:var x = function(a, b) { return (a > b ? a : b); } x(10, 20); A: 10 B: 20 C: 30 D: NaN

【单选题】Please let us know _____ the lowest prices at which you can execute this order, CIF Boston. • A. in return B. by return C. on return D. at return A. in return B. by return C. on return D. at return

​下面代码的输出结果是( ).‍​def exchange(a, b):‍a, b = b, a‍return(a,b)‍​x = 10‍​y = 20‍​x, y = exchange(x, y)‍​print(x, y)‍​‍ A: 20 10 B: 20,10 C: 10 10 D: 20 20

下面代码的执行结果是def exchange(a,b): a,b = b,a return (a,b)x = 10y = 20x,y = exchange(x,y)print(exchange(x,y)) A: (10, 20) B: (20, 10) C: 10, 20 D: 20, 10