皮皮学，免费搜题
登录
搜题
【单选题】
下列法的形式中,效力等级最低的是A.
宪法
B.
地方性法规
C.
行政法规
D.
部门规章
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
【简答题】作业4-2:连接独立按键的P1.1引脚进行按键应用。独立按键按下,完成一个循环流水灯的程序,要求在同一时间里只能有一个灯熄灭,在P2口上接了8个发光二极管,当P2口输出高电平的时候发光二极管就会熄灭。(P2.0接LED0,单灯熄灭状态左边向右边,右边向左边)
【简答题】Checking out Huan is checking out in the lobby. Huan: I'd like to______1______, please Receptionist: Certainly. How was your stay? Huan: Fine, thanks. But the air _____2_____didn't work. And the Wi-Fi...
【简答题】作业4-1:连接独立按键的P1.1引脚进行按键应用。独立按键按下,8个发光二极管亮;松开按键,8个发光二极管熄灭。在P2口上接了8个发光二极管,当P2口输出低电平的时候发光二极管就会亮。
【判断题】Checking out is just simple. You just go to the counter and say, "I am checking out."
A.
正确
B.
错误
【单选题】The world is facing the______ of water shortages caused by population growth, uneven supplies of water, pollution, and other factors.
A.
prospect
B.
insight
C.
location
D.
anticipation
【判断题】Checking out is just simple. You go to the counter and say, "I am checking out." At this time, you should return the keys.
A.
正确
B.
错误
相关题目：