In 1895, scientist ( ) discovered X-rays.
A: Descartes
B: Madame Curie
C: Roentgen
D: Marco Polo
A: Descartes
B: Madame Curie
C: Roentgen
D: Marco Polo
C
举一反三
- Madame Curie is believed ____ the radium. A: discovering B: having<br/>discovered C: to have discovered D: to discovered
- Madame Curie is believed _________ radium (镭). A: discovering B: having discovered C: to have discovered D: to discover
- Madame Curie is often _____ as an example of a great scientist who would never yielded to hardships in her quest for knowledge.
- Marco Polo wrote his book The Travels of Marco Polo while he was travelling in China.
- Madame Curie is believed radium.
内容
- 0
ItwasDr.Rontgenwho（）X-rays. A: discovered B: invented C: madeup
- 1
What nationality is Marco Polo?
- 2
What is Marco Polo known forMarco Polo is known for bringing the method of ______.
- 3
智慧职教: Madame Curie is believed ___ the radium.
- 4
Where did Marco Polo bring the method fromMarco Polo brought the method from______.