填空模拟题

167. Evidence that the universe is expanding ______ our perception of the cosmos and thus caused a ______ in astronomical thinking.
A. advanced, setback
B. altered, revolution
C. contradicted, truce
D. reinforced, crisis
E. halted, breakthrough

168. Although the theory that widespread lead poisoning contributed to the decline of the Roman Empire has gained ______ , the evidence is still ______ .
A. credence, irrefutable
B. disrepute, dubious
C. acceptance, convincing
D. momentum, systematic
E. currency, inconclusive

题意解析及中文释义

题意解析及中文释义：

167.
题意解析：
perception of the cosmos和astronomical thinking重复，再由and连接同义重复，知两空格填入一组同义词，选择B。
中文释义：
宇宙在扩张的证据改变了我们对宇宙的理解，引起了天文学思想上的革命。

168.
题意解析：
由although引导反义重复，两空格填入一组反义词即可，选择E。
中文释义：
虽然大面积铅中毒导致了罗马帝国衰落的理论已经获得广泛认同，但是证据仍然是不确定的。