new __________agents (新型药剂)
举一反三
- 下列_____药剂不能去除磷。The following _____ agents cannot remove phosphorus. A: Al2(SO4)3 B: FeCl3 C: PAM D: 石灰
- 49.What are the best known information agents? A: Personal agents B: User agents C: Predictive agents D: Buyer agents
- What would be the biggest challenge when going to the agents? A: Some agents may have no legal professional title. B: Some agents may work on their own. C: Some agents don’t speak much English. D: Some agents won’t like to help foreigners.
- 在下列脱水药剂中， _____是常用的。Among the following dehydrating agents, _____ is commonly used. A: FeCl3·6H2O B: PBC C: 阴离子型PAMAnionic PAM D: 阳离子型PAMCationic PAM
- (__) agents(造影剂)