题目列表(包括答案和解析)
A.托马斯·杨通过对光的干涉现象的研究,证实了光具有波动性 |
B.卢瑟福通过“α粒子散射实验”的研究,发现了原子核是由质子和中子组成的 |
C.麦克斯韦验证了电磁场理论,提出了光是一种电磁波 |
D.贝克勒尔发现了天然放射现象,并提出了原子的核式结构学说 |
情景反应.根据对话内容从方框中选择的词填入对话,使其完整通顺.
A. Are these your friends, Jill?
B: Yeah that's right. They're ________ (1), Sally and Sam.
A: Wow! They look exactly the________ (2).
B: ________ (3), not really. Sam's a bit ________ (4). She's the one on the left.
A: What are they ________ (5)?
B: Well, Sam is a bit quieter than Sally. And ________ (6).
A: And Sally?
B: Sally is more ________ (7) than her ________ (8). She is really funny, too.
情景反应.根据对话内容从方框中选择的词填入对话,使其完整通顺.
A. Are these your friends, Jill?
B: Yeah that's right. They're ________ (1), Sally and Sam.
A: Wow! They look exactly the________ (2).
B: ________ (3), not really. Sam's a bit ________ (4). She's the one on the left.
A: What are they ________ (5)?
B: Well, Sam is a bit quieter than Sally. And ________ (6).
A: And Sally?
B: Sally is more ________ (7) than her ________ (8). She is really funny, too.
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