问题
单项选择题
属于α-羟氰苷的是
A．山慈菇苷
B．芦荟苷
C．巴豆苷
D．黑芥子苷
E．苦杏仁苷
答案
参考答案：E
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属于α-羟氰苷的是
A．山慈菇苷
B．芦荟苷
C．巴豆苷
D．黑芥子苷
E．苦杏仁苷
参考答案：E
| 词汇部分。 从方框中选择合适的单词或词组，并用其适当的形式填空。其中有两项是多余的。 | |
2.We should _____ Lei Feng, and prepare to help others all the time. 3. Every year _____ people get hurt or die in road accidents. 4. My father _____ in the country, but he lives in the city now. 5. Steve made a _____ wish on his birthday, and then he blew out the candles in one breath. |