皮皮学，免费搜题
登录
搜题
【判断题】
用打开命令打开组后必须使用组命令重新形成组。（ ）A.
正确
B.
错误
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】How does Mr. Nelson respond when the hotel clerk offers to provide him with a free room on his next visit?
A.
He thinks the hotel should give him a free continental breakfast.
B.
He feels he should first receive an apology from the manager for what has happened.
C.
He suggests that the hotel should give guests an additional 15% discount in cases like his.
D.
He implies that he might not visit again because of the problems he has had.
【简答题】请简述什么是Spring的IOC和DI
【简答题】请简述什么是 Spring 的 IoC 和 DI
【简答题】为什么要 大力发展第三方物流 ?