【简答题】请阅读下面一段程序:
list_one = ["One", "Two"]
list_two = ["Three", "Four"]
list_one.extend(list_two)
print(list_one)
运行程序,其最终执行的结果为( )。A. ['One', 'Two', 'Three', 'Four'] B. ['Three', 'Four', 'One', 'Two'] C. [...
【单选题】—What should I do, doctor? —_____ healthy, you should take more exercise. [ ]
【单选题】—What should I do, doctor? —____, you should exercise more
【单选题】— What should I do,doctor? —_________ healthy,you should take more exercise.A. Keep
A.
29. — What should I do,doctor? —_________ healthy,you should take more exercise. A. Keep
【单选题】以下对砂浆保水性的说法不正确的是( )。
B.
保水性差的砂浆,在使用中易引起泌水、分层、离析等现象
C.
保水性差使砂浆的流动性降低,难以铺成均匀的砂浆层
D.
保水性是指砂浆保全拌和水,不致因析水而造成离析的能力
【判断题】间二硝基苯在碱性介质中用羟胺进行直接氨基化反应主要产物2,4-二硝基苯胺
【判断题】间二硝基苯在碱性介质中用羟胺进行直接氨基化反应主要产物2,4-二硝基苯胺( )