Match each description (1-9) with the appropriate person.changed
his mind about the number of galaxies in the universe()
A: Pythagoras
B: Hipparchus
C: Galileo
D: Thomas Wright
E: William Herschel
F: Christopher Wren
G: Jacobus Kapteyn
H: Edward Barnard
I: Harlow Shapley
J: Heber Curtis
K: Karl
Jansky
L: John Hey
his mind about the number of galaxies in the universe()
A: Pythagoras
B: Hipparchus
C: Galileo
D: Thomas Wright
E: William Herschel
F: Christopher Wren
G: Jacobus Kapteyn
H: Edward Barnard
I: Harlow Shapley
J: Heber Curtis
K: Karl
Jansky
L: John Hey
举一反三
- Teenagers' parents are often concered about negative peer influence. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L
- Those who lose their jobs shortly before retirement age live a shorter-than-average life.[br][/br] A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N O: O
- 已知一棵二叉树的前序序列为：A，B，D，G，J，E，H，C，F，I，K，L；中序序列为：D，J，G，B，E，H，A，C，K，I，L，F。该二叉树的后序序列为（）。 A: J，H，F，B，G，D，K，L，I，F，C，A B: J，G，E，B，K，L，D，H，I，F，C，A C: J，G，D，H，E，B，K，L，I，F，C，A D: J，G，D，H，E，B，K，L，I，F，A，C
- Consumers are often hesitant to try smart-home devices because they are worried about compatibility problems. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L
- The radio business has changed greatly and now attracts more listeners. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N O: O