问题
单项选择题
下列化合物（）不是气相色谱常用的固定液。
A.角鲨烷
B.SE―30
C.XE―60
D.KHP―20
答案
参考答案：D
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下列化合物（）不是气相色谱常用的固定液。
A.角鲨烷
B.SE―30
C.XE―60
D.KHP―20
参考答案：D
| 用所给单词填空 | |
Mark: (1)_____ is she? Is she at the library? Alice: No, she's in the living room. She is doing her homework. And that's my (2)_____. Mark: Is he doing his (3)_____, too? Alice: No, he's seeing his an action movie on TV and (4)_____ french fries, and this is a picture of my (5)_____ and my mother at Huaxing Clothing store. They really like shopping. | |
| (1)_____ (2)_____ (3)_____ (4)_____ (5)_____ |