Directions: Fill in the blank in the following sentence with an exact word from the text.One of the terrifying effects of ________ the use of animals in medical research is that people won't see the negative consequences till many years later.
Directions: Fill in the blank in the following sentence with an exact word from the text.One of the terrifying effects of ________ the use of animals in medical research is that people won't see the negative consequences till many years later.
发布时间:2025-09-01 06:45:23