皮皮学，免费搜题
登录
搜题
【多选题】
酶的辅助因子可以是A.
金属离子
B.
小分子有机化合物
C.
酶活性中心的组分
D.
连接底物和酶分子的桥梁
E.
酶的激活剂
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
【简答题】vt. 采取;接受;收养;正式通过 vi. 采取;过继
【单选题】Your lette has been passed on to us for ____________________.
A.
attendance
B.
care
C.
attention
D.
in receipt
【简答题】根据上下文，在下面横线处填上适当的词，完成对话。 1. A: Hello! I need a stamp, please. B: (1) are you (2) your letter? A: I'm sending it to Shijiazhuang. (3) (4) is the stamp, please? B: One yuan. A: (5) . 2. A: (6) I see tha...
【单选题】What is suggested if you want to keep your friends?
A.
Write letters carefully.
B.
Write letters promptly.
C.
Write letters with a lot of information.
D.
Write letters with a proper style.
【简答题】反映计划生育工作水平的主要指标有哪些？
【简答题】Answer the questions. (根据短文内容回答下列问题。) Mar. 25, 2009 Dear Helen, Thanks for your last letter. Yes, I'm enjoying myself on my exchange program in France. It's even better than I thought it would be. I w...
【单选题】Directions: This part is to test your listening ability. It consists of 3 sections . Section A Directions: This section is to test your ability to understand short dialogues. There are 5 recorded dial...
A.
He does not have a phone.
B.
He will make the call for her.
C.
The woman can use his phone.
D.
The phone is out of order.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
