It was Dr. Rontgen who （） X-rays.
A: Adiscovered
B: Binvented
C: Cmade up
A: Adiscovered
B: Binvented
C: Cmade up
举一反三
- It was Dr. Rontgen who （） X-rays. A: discovered B: invented C: made u
- X-rays are also called Rontgen rays _____ the discoverer who first put them to use. A: in case of B: in view of C: in place of D: in honor of
- Who is the founding father of basketball? A: Dr. Guttman B: Dr. Sheepherder C: Dr. Naismith
- Who will give the lecture on Producing the Thesis.' A: Dr. M. Large B: Dr. M. Dunlin C: Dr. L. Moffat D: Both B and C
- In the secondary structure of roots, xylem rays and phloem rays belong to ( ). A: Secondary rays B: Vascular rays C: Pith rays