问题
单项选择题
离子交换树脂层析法无法除去下列哪种物质（）
A.清蛋白
B.甘氨酸
C.乙醇
D.CK-MB
E.LD
答案
参考答案：C
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离子交换树脂层析法无法除去下列哪种物质（）
A.清蛋白
B.甘氨酸
C.乙醇
D.CK-MB
E.LD
参考答案：C
| 从方框内选择合适的短语，并用其适当形式完成句子。 | |
2. Mr Green has two children. His son looks like him and his daughter _______ his wife. 3. We will meet with some problems, although everything _______ fine now. 4. They _______ the house before they moved in. 5. Whenever you have any problems, you can _______ help. |