176、______ you promise you will work hard, ______ support you to college.（财科所2017年）

1. If only…will I
2. Only … I will
3. Only if … will I
4. Only if … I will

答案：C

解析：语法结构。only if“只有”，用倒装；if only“但愿”，后用虚拟语气。故选C

177、It is one of the ironies of Western man that he has never felt ______ invention as a threat to his way of life.（财科所2017年）

1. any concern with
2. any concern about
3. any concern in
4. any concern at

答案：B

解析：短语辨析。concern with“与……有关；关心”；concern about“担忧，担心”；concern in“涉及，参与”；concern at无此用法。根据后面的as a threat to his way of life“对自己的生活构成威胁”可知应该呈现出来的心理状态是“担忧”，故选B。

178、By the end of the Spring and Autumn Period slave society was ______ disintegration.（财科所2017年）

1. on the ground of
2. on the top of
3. in the light of
4. on the verge of

答案：D

解析：短语辨析。on the ground of“根据，以……为基础”；on the top of“在顶部”；in the light of“鉴于，由于”；on the verge of“接近于，濒临于”。根据历史常识以及disintegration一词可知是处于“濒临瓦解”的状态，故选D。

179、These early clocks, operated by weights, were not particularly accurate, and it was not until the sixteenth century ______.（财科所2017年）

1. any great reliability attained it
2. then attained any great reliability
3. that any great reliability was attained
4. when any great reliability attained

答案：C

解析：语法结构。由it was…可知此题考查的是强调句型结构，故选C。

180、Boris Yeltsin, Russia's ______ president, died. His funeral in Moscow was attended by a bevy of world leaders past and present.（财科所2017年）

1. Prior
2. Past
3. Former
4. Late

答案：C

解析：固定搭配。former president“前总统”，故选C。