问题
单项选择题
溴量法测定司可巴比妥钠的原理是
A．λmax为240nm
B．λmax为255nm
C．银量法
D．与铜盐的反应
E．λmax为304nm
答案
参考答案：A
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溴量法测定司可巴比妥钠的原理是
A．λmax为240nm
B．λmax为255nm
C．银量法
D．与铜盐的反应
E．λmax为304nm
参考答案：A
| 交际运用。 | |
| Tina: What are your favorite sports? Ben: Well, (1) ________. Tina: Now, tell me what you like to eat? Ben: Err, I like fish and eggs. (2) ________. Tina: (3) ________. Ben: Oh, yes, I love vegetables. Tina: Do you drink wine? Ben: No, 1 never drink wine or coffee. 4) ________. Tina: (5) ________. Ben: 1 drink a lot of milk. It's very good for my health.
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