题目内容
（请给出正确答案）
Paragraph 4 __________ 查看材料
A.Is there proof that black holes really exist？
B.What are different types of black holes？
C.How are black holes formed？
D.How were black holes named？
E.What happens to the objects around a black hole？
F.What are black holes made of ？
如果结果不匹配，请 联系老师 获取答案
更多“Paragraph 4 __________ 查看材料A.I…”相关的问题
The word "malady" in Paragraph 4 is closest in meaning to
The key word in Paragraph 4 is ______.
A．barriers
B．ignorance
C．disability
D．prejudice
The word "welcome" in paragraph 4, line 2 is closest in meaning to
A．allowed
B．received
C．comforted
D．encouraged
The key word in Paragraph 4 is ______.
A．disability
B．ignorance
C．prejudice
D．barriers
The word "dubious" in paragraph 4 means ______.
A．uncertain.
B．unreasonable.
C．important.
D．unique.
The word "it" in paragraph 4 refers to
A．problem.
B．reasoning.
C．market share.
D．stock.
The word "they" underlined in Paragraph 4 refers to ______.
A．years
B．climates
C．sediments
D．cores
In the letter, the word "prominent" in Paragraph 1, Line 4 is closest in meaning to_____.
A．obvious
B．promising
C．large-scale
D．well-known
