Chimpanzees are frequently used as stand-ins for human beings in experiment.
A: partners
B: role-models
C: stand-bys
D: substitutes
A: partners
B: role-models
C: stand-bys
D: substitutes
举一反三
- Chimpanzees are frequently used as stand-ins for human beings in experiment.() A: partners B: role-models C: stand-bys D: substitute
- Before the drug is used on human beings, experts have to ______ dogs. A: be experimented B: experiment C: experiment with D: experiment on
- Which of the following is not one of similarities between human beings and chimpanzees?
- Sketch models are types of prototypes that are used frequently in the phase of ________ ideas and concepts.
- I hate them and everything they ______. A: stand for B: stand down C: stand in D: stand by