第26题: [单项选择]The president and his advisors discussed matters that ______ to the war. A. attain B. pertain C. retain D. sustain 参考答案:B 答案解析:[译文]总统和他的顾问们讨论了与战争相关的一些问题。
[解析]动词辨义。这四个选项的词性都是动词,其中attain表示“获得;得到”,如:Leo loacoco attained the posit
第35题: [单项选择]One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is() A. seal water supply be cut off B. make up water supply be cut off C. oil outlet valve closed or not open sufficiently D. the flow rate of oily water is too much 参考答案:B