问题
单项选择题
第三代头孢菌素
A．头孢菌素
B．头孢他定
C．头孢拉定
D．头孢吡肟
E．头孢呋辛
答案
参考答案：B
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第三代头孢菌素
A．头孢菌素
B．头孢他定
C．头孢拉定
D．头孢吡肟
E．头孢呋辛
参考答案：B
| 补全对话。 | |
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| A: What's the best present you've 1 received? B: A computer, A: Wow, that's an 2 present! Who 3 it to you? B: My father did. It was for my sixteenth 4 . A: It's Ben's birthday next week. What should I 5 him? B: How about a photo album? A: No, that's too 6 and boring. B: Why don't you get him a _7 ? A: Great idea! I'll get him one with the logo of his 8 football team. 1. ___ ________ 2. ___ ________ 3. ___ ________ 4. ___ ________ 5. ___ ________ 6. ___ ________ 7. ___ ________ 8. ___ ________ |