皮皮学，免费搜题
登录
搜题
【多选题】
生产P2产品需要用到以下哪些原材料A.
R1
B.
R2
C.
R3
D.
R4
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
【简答题】Since sending her child to the kindergarten, she has been delighted to see a(n) ____ change in the boy's character; he seems less self-centered now.
【单选题】Since sending her child to the kindergarten, she has been delighted to see a(n) __ change in the boy's character; he seems less self-centered now.
A.
modify
B.
nasty
C.
gradual
D.
similarly
【单选题】The kindergarten has prepared _________ of food for babies every day.
A.
different amounts
B.
same amount
C.
different type
D.
same type
【单选题】—A desktop, together with 100 DVDs, _____ to the kindergarten as a present.
A.
has been offered
B.
have been offered
C.
has offered
D.
have offered
【简答题】腈纶纤维阳离子染料染色时染液中的醋酸起( )作用。
相关题目：