一、单项选择题（共10道小题，共100.0分）1. No one imagined that the apparently_ businessman was really a criminal.A. respectantB. respectiveC. respectableD. respecting知识点:阶段作业一学生答案:C;标准答案:C得分:10试题分值:10.0提示:2. All the signs _ an early resumption of the battle.A. point atB. pointC. point outD. point to知识点:阶段作业一学生答案:D;标准答案:D得分:10试题分值:10.0提示:3. (错误)I used to cook with electricity, but Ive _to gas.A. changedB. exchangedC. switchedD. transformed知识点:阶段作业一学生答案:A;标准答案:C得分:0试题分值:10.0提示:4. Tom started as an engineering student, but he _ English because he liked it.A. switched offB. switched onC. switched on toD. switched to知识点:阶段作业一学生答案:D;标准答案:D得分:10试题分值:10.0提示:5. (错误)Nowadays，people in the city enjoy a _ of musical life.A. varietyB. rangeC. extentD. width知识点:阶段作业一学生答案:C;标准答案:A得分:0试题分值:10.0提示:6. He _ to me about the food.A. complainedB. pretendedC. regrettedD. complaint知识点:阶段作业一学生答案:A;标准答案:A得分:10试题分值:10.0提示:7. The new product is on_ before it is put on the market.A. testB. trialC. experimentD. inspection知识点:阶段作业一学生答案:B;标准答案:B得分:10试题分值:10.0提示:8. We must strengthen our_ on the western border.A. defencesB. defectsC. defeatsD. defendants知识点:阶段作业一学生答案:A;标准答案:A得分:10试题分值:10.0提示:9. Students often find _ jobs during their summer vacations.A. temporaryB. permanentC. lastingD. part知识点:阶段作业一学生答案:A;标准答案:A得分:10试题分值:10.0提示:10. The apartment-house is built around a _ .A. courtB. courseC. counterD. courtesy知识点:阶段作业一学生答案:A;标准答案:A得分:10试题分值:10.0提示: