皮皮学，免费搜题
登录
搜题
【单选题】
函数y=sinx的周期为A.
B.
π
C.
2π
D.
4π
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Excerpt from a letter We require you to look into this matter and have the shop assistant apologize to my friend. Looking forward to hearing from you. Q: This is a letter of _______.
A.
apology
B.
application
C.
notice
D.
complaint
【单选题】Excerpt from a letter We require you to look into this matter and have the shop assistant apologize to my friend. Looking forward to hearing from you. The writer is writing a letter of _________.
A.
apology
B.
application
C.
notice
D.
complaint
【判断题】We require you look into this matter and have the shop assistant apologize to our friend.我们要求您调查此事,并要求您给我们表演节目.
A.
正确
B.
错误
【单选题】Excerpt from a letter We require you to look into this matter and have the shop assistant apologize to my friend. Looking forward to hearing from you The writer is writing a letter of _________.
A.
complaint
B.
notice
C.
application
D.
apology
相关题目：
参考解析：
知识点：
题目纠错 0
发布
