皮皮学，免费搜题
登录
搜题
【单选题】
50KHz的脉冲电流属于A.
低频脉冲电流
B.
中频脉冲电流
C.
高频脉冲电流
D.
直流电
E.
超短波脉冲电流
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
【判断题】According to Steve Jobs, the most important thing is to find what one loves.
A.
正确
B.
错误
【简答题】What kind of helper are the married couple trying to find? They are trying to find _______________.
【判断题】执行输入重定向的代码如下（未考虑差错处理）fd0=open(filename,O_RDONLY);dup2(fd0,0);close(fd0);其中，最后一个close不调用的话，对系统运行的正确性没有影响。
A.
正确
B.
错误
【单选题】What does the customer want to find out?
A.
He wants to find out what kind of ice cream his family should have
B.
He wants to find out what is wrong with his trip to ice cream store
C.
He wants to find out what is wrong with his Pontiac that makes it not start when he gets vanilla ice cream
【简答题】What the New Yorker would find missing is what many outsiders find oppressive and distasteful about New York--its rawness, tension, urgency; its bracing competitiveness; the rigor of its judgements; a...
【单选题】What would the man do if he were to find a job?
A.
To work in a office.
B.
To be an animal doctor.
C.
To go abroad.
D.
To be a salesman.
相关题目：