13. It was _____ by the railway board that the cost of rail fares would be increased by ten percent.
A. noticed B. stated C. suggested D. noted
[注释]state此处意为“（=make sth. know, announce）宣布，通告，声明（口头的或书面的）”，如：It is stated that all the accident were killed.(据宣布，事故中全部人员无一幸免。)suggest建议，是表示欲望意义的动词，从句中要用虚拟语气（should +动词原形）。Note(=notice)“注意到”，如：It was noted that the temperature rose during this time.
14. The chances of discovering life on Neptune are about a million _____.
A. at one B. for one C. to one D. against one
[答案]c. the one.
[注释]a million to one百万分之一，意为“几乎没有什么可能”。
15. Everything he said then was _____ by what happened later.
A. identified B. signified C. noticed D. verified
[注释]verify(=prove the truth of)证实，证明：1)It was easy to verify his statements.(很容易证实他说的话。) 2)Later findings verified the scientist's theory(后来的各种发现证明这位科学家的理论是对的。)
identify识别，鉴别；signify表示，意味，要紧；有重要性：1)He signified that he agreed by nodding.(他点头表示同意。) 2)Never mind, it doesn't signify.(没事儿，这无关紧要。)