145. Astronomers at the Palomar Observatory have discovered a distant supernova explosion, one that they believe is a type previously unknown to science.
(A) that they believe is
(B) that they believe it to be
(C) they believe that it is of
(D) they believe that is
(E) they believe to be of作者: ptlove4ever 时间: 2012-4-17 06:40
1. Idiom:
(1) believe that+clause
(2) believe to do/be
2. the underlined part acts as an absolute phrase to modify "explosion"
3. "that" functions as an object in the attributive clause and therefore can be omitted.
A: is a complete sentence rather than an absolute phrase
B: "it" is redundant
C: wordy
D: believe that+clause
E: correct作者: kenwk 时间: 2012-4-17 20:37
