第1题: [单项选择]Questions 19 to 21 are based on the conversation you have just heard. A. Arrange for his credits transfer first. B. Think twice before he goes. C. Transfer his credits later on. D. Ask advice from Susan. 参考答案:A 答案解析:[听力原文] What does the woman suggest the man do before leaving
第23题: [单项选择]—They all agree______George. Has the project been passed —Who______George can make the final decision A. except; except B. except; besides C. but; but D. besides; but 参考答案:C 答案解析:[解析] all后可加but或except,而第二个分句中who but为固定搭配,意为“除……之外还有谁”。
第29题: [单项选择]沼气发酵法() A. 利用密闭条件下厌氧发酵产生的氨,杀灭病原微生物和虫卵,并有生物拮抗作用 B. 利用虫卵比重大于粪尿比重的原理,使虫卵下沉,利用粪尿发酵的氨,杀死虫卵 C. 将人粪尿、垃圾、杂草混合密闭发酵,产生沼气 D. 人畜粪尿、垃圾、桔梗等,混合堆堆,并留有通风口,利用堆温杀灭病原体 E. 利用敌百虫、尿素、野生植物等杀灭虫卵 参考答案:C