【单选题】It can be said that 'The Wealth of Nations' and 'Moral Sentiments' are______.
【单选题】研究历史离不开文字资料。我国有文字可考的历史开始于
【单选题】It can be said that alcohol______.
A.
is the most important cause of weight gain among freshmen
B.
is forbidden not only for freshmen but for all students under 21
C.
has caused drinking problems for a number of freshmen
D.
has been effectively used to ease pressure for freshmen
【单选题】It can be said from the survey that chicken is
C.
cheaper than any other food.
【单选题】下列关于多重 if 选择结构的说法正确的是
A.
多个 else if 块之间的顺序可以改变,改变之后对程序执行结果没有影响
B.
多个 else if 块之间的顺序可以改变,改变之后可能对程序的执行结果有影响
C.
多个 else if 块之间的顺序不可以改变,改变后程序编译不通过;
D.
多个else if块之间的顺序不可以改变,改变后程序编译可以通过。