30.

複選題40. (AB) During the course of study, people with the practice are sanguine toward the lucrative result. (AC) It warned of potential dangers and urged strict precautions. (AD) One could imagine algae engineered to grow more prolifically as a source of biofuel or disease-resistant cattle. (AE) Without natural predators, the invasive species can run wild and produce undesired effects. (BC) In some areas, a single season might be enough to change the population. (BD) Other mosquito-borne diseases could possibly be controlled in this fashion as well.

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