问题
单项选择题
动物实验的基本操作规范涉及:()
A.实验动物的饲养管理
B.实验动物的操作与处理内容
C.实验操作后的护理
D.以上都对
答案
参考答案:D
动物实验的基本操作规范涉及:()
A.实验动物的饲养管理
B.实验动物的操作与处理内容
C.实验操作后的护理
D.以上都对
参考答案:D
根据句意,从方框内选择合适的单词填空。 | |
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1. We have _____ watched such an exciting football match before. 2. Lily's grandmother has been dead _____ a few years. 3. My sister is going to Canada _____ a few days. 4. _____ you have got everything ready, please let me know. 5. —How long have you been like this? —_____ last night. |