问答题

新兴职业宠物营养师的主要工作是？

答案： A.为宠物注射营养针
B.为宠物搭配膳食
正确答案：为宠物搭配膳食
答案解析：宠物营养师的主要工...

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多项选择题

常用菌种分离纯化方法有（）。
A、稀释平板
B、涂布分离
C、划线分离
D、诱变育种

单项选择题

You have a meeting with a client but are expecting a call. You should:
A.
make sure your cell phone is charged up and turned on B.
set your cell phone ring volume to high to ensure you hear any calls C.
turn your cell phone off D.
tell your client you are expecting a phone call