皮皮学，免费搜题
登录
搜题
【多选题】
产品序列号是软件开发商根据一定信息生成的唯一码,又称为________。A.
注册码
B.
序列码
C.
注册申请码
D.
机器码
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】It is necessary that she ______once a week to help me with my lessons.
A.
came
B.
would come
C.
come
D.
Comes
【简答题】It is necessary that all application forms (send) _____ no later than July 1.
【简答题】Fill in the blanks with the expressions given. Change the form where necessary. wait on fall into take up spread out in one’s own way in part ...
【单选题】在视频《录课-Unit8-Text A.wmv》26:40深入讲述的句型 It is adj. to do sth. 是为了避免句子出现头重脚轻,对于句子Having breakfast every day is necessary for us. 的调整,准确的是
A.
It's necessary for us to have breakfast every day.
B.
It's necessary for us to having breakfast every day.
C.
It's necessary to having breakfast every day for us.
相关题目：