皮皮学，免费搜题
登录
搜题
【单选题】
下列( )是阳离子表面活性剂的主要作用。A.
洗涤作用
B.
起泡作用
C.
乳化作用
D.
杀菌作用
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 do you like my new dress, dear? — ___________. You’ve never been more beautiful.
A.
When did you buy it?
B.
You call it new?
C.
It looks terrific on you!
【单选题】听力原文：M: I hear you are moving to a new apartment soon. W: Yes, but it'll be more expensive. My neighbor played the radio all night long and I couldn't sleep. Q: Why is the woman moving? (4)
A.
The new apartment is cheaper.
B.
The present one is too expensive.
C.
She likes to listen to the radio.
D.
She needs a quieter place.
相关题目：