摘要: Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole. Lab...
Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.
Laboratories have been warned that provisions for animal protection that in the past were merely ——- will now be mandatory;——- of this policy will lose their federal research grants.
comprehensive . . adversaries- nominal . . advocates
- disregarded . . proponents
- recommended . . violators
- compulsory . . resisters
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