皮皮学，免费搜题
登录
搜题
【简答题】
设z=siny+f(sinx-siny)，其中f可微，证明：
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】听力原文：In what way did Vernon Winfrey help his daughter? (31)
A.
He sent her to the University of Tennessee.
B.
He got her a job as a broadcaster.
C.
He gave her the discipline she needed.
D.
He taught her speech and performing arts.
【单选题】一家航空公司向顾客做出如下承诺“保证舒适，否则你将得到2.5万英里”，这属于什么承诺?()
A.
满意承诺
B.
服务属性承诺
C.
有条件满意承诺
D.
无条件满意承诺
【单选题】Why does the man like Thanksgiving?
A.
He can cook delicious meals.
B.
He likes to cook the dinner.
C.
He really wants to meet his family.
D.
He just wants to play with the kids.
【简答题】1 你知道哪几种WEB 服务器？ 你最熟悉哪种？
【单选题】He is going _____ a present _____ Mar y on her birthday [ ]
A.
sends, to
B.
sent, for
C.
sent, to
D.
to send, to
【单选题】How did the thief repay the host ten years later?
A.
He sent him a thankyou note.
B.
He invited him to a nice dinner.
C.
He brought gold and jewels stolen from others.
D.
He brought gold and jewels he had earned honestly.
相关题目：