皮皮学，免费搜题
登录
搜题
【单选题】
能使唾液淀粉酶活性增高的离子是A.
氯离子
B.
锌离子
C.
碳酸氢根离子
D.
铜离子
E.
锰离子
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】When I came into the classroom this morning, it ______ me that I had left my book in my dormitory.
A.
occurred
B.
was occurred
C.
occurred to
D.
was occurred to
【简答题】I’m a real book lover. Every time my friends visit me, my nose is buried in a book. Wherever I go, I always have a book with me. Novels, history books, stories about people, journals and news—I read t...
【单选题】My father was reading a book ________ I was doing my homework.
A.
before
B.
after
C.
when
D.
while
【简答题】The book is __________. I wrote __________ name on its cover __________. a. my; my; myself b. mine; my; myself c. mine; myself; my d. myself; mine; my
【单选题】The book is ______. I wrote ______ name on its cover ______. [ ]
A.
my; my; myself
B.
mine; my; myself
C.
mine; myself; my
D.
myself; mine; my
相关题目：
参考解析：
知识点：
题目纠错 0
发布
