问题
判断题
色谱分离技术中被检测物质的峰越宽越好。
答案
参考答案：错
搜题请搜索小程序“爱下问搜题”
色谱分离技术中被检测物质的峰越宽越好。
参考答案：错
| 根据句意，从方框中选择合适的单词并用其适当形式填空。 | |
—It's on the _____ floor, next to my bedroom. 2. There are two _____ in my study. There are many books on them. 3. Children like _____ TV a lot. But it is not good for their eyes. 4. There _____ a knife, a pen and two pencils in the box. 5. Our math teacher often _____ his keys in the drawer |