问题
单项选择题
血清中的淀粉酶可水解淀粉分子中的何种键
A．α-1葡萄糖苷键
B．β-4葡萄糖苷键
C．α-1、4葡萄糖苷键
D．β-1、4葡萄糖苷键
E．A和C
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
血清中的淀粉酶可水解淀粉分子中的何种键
A．α-1葡萄糖苷键
B．β-4葡萄糖苷键
C．α-1、4葡萄糖苷键
D．β-1、4葡萄糖苷键
E．A和C
参考答案：C
| 选择正确的单词填空完成对话。 | |
Jack: Fine, thank you. It is ____________ today. It's five degrees below zero. Tom: Look! it's ____________ now. Jack: We don't go to ____________ today. Let's ____________ together. Tom: OK. What do you like to do? Jack: I like to ____________ on the snow. Tom: I can ____________ on the ice, but I can't do that! I want to ____________. Jack: OK! I will ____________ you. |