Which one of the following relationships can describe the relationships in poppy, opium and morphine ( )
A: Plant - crude extract - purified compound
B: Crude extract -plant - purified compound
C: Purified compound -plant -crude extract
D: Purified compound- crude extract -plant
A: Plant - crude extract - purified compound
B: Crude extract -plant - purified compound
C: Purified compound -plant -crude extract
D: Purified compound- crude extract -plant
举一反三
- 中国大学MOOC: Which one of the following sentences doesn’t contain a compound subject or a compound verb?
- Which of the following is a compound adjective?
- Which of the following words is a compound?
- The exact 3D structure of a purified protein can be determined by __________ and ____________.
- Which one of the following would be an error of principle? A: Plant and machinery purchased was credited to a non-current assets account B: Plant and machinery purchased was debited to the purchases account C: Plant and machinery purchased was debited to the equipment account D: Plant and machinery purchased was credited to the equipment account