TOEFL Listening: ETS-TOEFL听力机经 - L4Z580RJH9B6EC38P$

According to the professor, what two laboratory practices that are used by pharmaceutical companies will students also use in their experiments? A. Using containers that have been developed to ensure nucleation B. Using a new type of microwave to superheat all liquids C. Using smooth containers that have been specially designed for microwave use D. Using sealed containers to allow the pressure inside to increase during heating