下列Python代码，函数的定义和调用书写正确的是（）
A. def test(a| b): print(a) print(b)test(1| 2)
B. def test(a):print(a)print(b)test(1, 2)
C. def test(a, b):print(a)print(b)test(1)
D. def test(a, b):print(a)print(b)test(1, 2)
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We have prepared some umbrellas at the __________ office in the metro.
A. inform
B. information
If you are in _______, you can take one away.
A. want
B. need
Really，I _______ it.
A. thank
B. appreciate
The ground near the subway entrance and exit may be quite ________.
A. slippery
B. slip
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