第7题: [单项选择]A university is usually made up of several colleges, and each college is made up of several ______ departments. A. related B. joined C. combined D. mixed 参考答案:B 答案解析:[译文]大学通常由几个学院构成,而每个学院又是由几个相关的系构成。
[解析]近义词辨析。relate意为“使联系”,指使有逻辑联系或有自然联系,如:The symbols relate to an
第12题: [单项选择]在HBV感染的血清流行病学调查中,首选指标是() A. HBsAg,HBcAg,抗-HBe B. HBsAg,HBcAg,HBeAg C. HBsAg,抗-HBc,抗-HBs D. HBcAg,抗-HBc,抗-HBs E. 抗-HBe,抗-HBc,抗-HBs 参考答案:C 答案解析:在HBV感染的血清流行病学调查中,首选指标是HBsAg、抗-HBs和抗-HBc。当HBsAg阳性时再检测HBeAg。以上3个指标任何一个阳性则可定为HBV感染。
第25题:[单选题] The tops of the thwarts,side benches,and the footings of a lifeboat are painted which color ________. A.International orange B.Yellow C.White D.Red 参考答案:A 【参考译文】救生艇横座板、边座及踏脚板表面被漆成哪种颜色?国际橙色。 【解 析】thwart横座板 footing踏脚板