问题
单项选择题
药典规定山楂含有机酸以枸橼酸计不得少于
A．1.0%
B．2.0%
C．3.0%
D．4.0%
E．5.0%
答案
参考答案：E
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药典规定山楂含有机酸以枸橼酸计不得少于
A．1.0%
B．2.0%
C．3.0%
D．4.0%
E．5.0%
参考答案：E
| 从方框中选择最佳选项完成对话，有两项多余。 | |
Emily: Not bad! 1_____ Dave: Really? Do you have to wear school uniforms? Emily: Yes, we do. Dave: Can you listen to music in the classroom? Emily: No, we can't. We even can't listen to it in the hallways. 2_____ Dave: Can you watch TV or go out for the movies on school nights? Emily: No, we can't. 3_____ Dave: Oh, there are too many rules. 4_____ Emily: We have to wear sports shoes for gym class. And we have to clean classroom after school every day. . . Dave: Oh, my God. 5_____ Emily: Sure, sometimes. Anyway I like my new school. |