Professor Smith is said ___________ another important discovery in chemistry.
举一反三
- 1. "College Chemistry" (part I)-the main subjects covered by the teaching content of basic chemistry are A: Inorganic chemistry, analytical chemistry, organic chemistry, physical chemistry. B: Inorganic chemistry, analytical chemistry, physical chemistry. C: Inorganic chemistry, analytical chemistry. D: Organic chemistry.
- Professor Smith ______ the most important part in his paper.
- Professor Smith discovered that _____.
- The professor said that ______.
- Professor Smith and Professor Brown will _____ in presenting the series of lectures on American literature.