【单选题】已知 dict1={1:2},那么执行dict1[2]=3之后dict1的内容是__________
【单选题】dict={'a':1,'b':2} dict2={'c':3} dict.update(dict2) print(dict)
A.
{'a': 1, 'b': 2, 'c': 3}
【简答题】用列举法表示方程 的解集是_______________
【单选题】In the UK, Bank holidays are public holidays usually on .
【判断题】钢筋接头采用套筒挤压连接,具有接头质量稳定性好成本低的优点。
【判断题】Bank holidays are public holidays in UK, when banks and many other businesses are closed for the day.
【判断题】Bank holidays are public holidays in the United Kingdom, when banks are closed for the day.
【单选题】Official public holidays are also called " bank holidays“, for ()
A.
banks are closed on these days
B.
banks are opened on these days
C.
banks celebrate on these days
D.
banks are paid on these days
【简答题】听下面一段材料,回答第1-4题。 1. Why are public holidays in Britain described as bank holidays? A. People draw money from the bank before holidays. B. They are days when bank clerks take a vacation. C. They are da...
【判断题】钢筋街头采用套筒挤压连接,具有接头质量稳定性好,成本低的优点。()