问题
选择题
I always have so many things to _____ when I come back to the company after a trip abroad. [ ]
A.attend to
B.add to
C.contribute to
D.appeal to
答案
答案：A
搜题请搜索小程序“爱下问搜题”
I always have so many things to _____ when I come back to the company after a trip abroad. [ ]
A.attend to
B.add to
C.contribute to
D.appeal to
答案：A
为探究“唾液对淀粉的消化”进行了如下实验：
| 试管 | 淀粉糊 | 唾液 | 清水 | 搅拌 | 温度 | 碘液 |
| A | 2ml | 2ml | / | 充分 | 37℃水浴10分钟 | 2滴 |
| B | 2ml | / | 2ml | 充分 |