皮皮学，免费搜题
登录
搜题
【单选题】
下面叙述中正确的是A.
对于用户自己定义的函数,在使用前必须加以声明
B.
声明函数时必须明确其参数类型和返回类型
C.
函数可以返回一个值,也可以什么值也不返回
D.
空函数在不完成任何操作,所以在程序设计中没有用处
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】--Did you enjoy yourself yesterday? --Yes, as you know,_______ party went on in __________pleasant atmosphere.
A.
the, a
B.
the, the
C.
a, the
D.
a, a
【单选题】-Did you enjoy it? -No, not________
A.
particularly
B.
obviously
C.
surprisingly
D.
normally
【简答题】甲将一张汇票背书转让给乙，并注明“仅用于支付定金”，乙可以将该汇票用于其他用途。（ ）
【简答题】把......放好,将......收起(词组) ____ sth. ______
【单选题】Did you use to ______ when you were a girl?
A.
enjoy playing
B.
enjoy play house
C.
enjoying to play house
D.
enjoying play house
【简答题】词组翻译(一) 1、怎么会? 2、将...收起;把...放好 3、一团糟 4、度过 5、找到,成功的发展 6、奔涌,迸发 7、引入 8、越......越...... 9、偶尔,有时 10、保持干净
【单选题】— Did you enjoy the film you saw last night? —______. I just did it for a change, as I was tired from working all day.
A.
Not necessarily
B.
Not exactly
C.
Not likely
D.
Not really
相关题目：