题型：完形填空 完型填空。 Look here, please! Can you see the man in black? _1__ is Mr. Lee, my English teacher. He teaches (教) us __2 _ five days a week. He is a very good teacher. __3 _ is he? He's forty-five. He is __4 _ American. He has a car (小汽车). _5__ yellow. Tom and Tim are _6__ sons. _7__ are in No.1 Middle School (一中). They can _8__ Chinese, _9__ they can't speak it well. Today they _10__ at school, because it is Sunday.( )1. A. He ( )2. A. classes ( )3. A. What ( )4. A. a ( )5. A. Its ( )6. A. my ( )7. A. He ( )8. A. speak ( )9. A. and ( )10. A. are B. She B. English B. How B. an B. It's B. her B. They B. say B. but B. aren't C. This C. Chinese C. How old C. the C. they're C. his C. We C. tell C. or C. don't 查看答案
题型：单项选择题 社会必要劳动时间是指（）。A.在现有的社会正常的生产条件下，在社会平均的劳动熟练程度和劳动强度下制造某种使用价值所需要的劳动时间 B.在现有的尖端水平条件下，制造某种使用价值所需要的最少劳动时间 C.在现有的社会正常的生产条件下，在社会平均的劳动熟练程度和劳动强度下制造某种有形产品所需要的劳动时间 D.制造某种使用价值需要的社会平均劳动时间量 查看答案
题型：单项选择题 （）的叙述是错误的。A．一次交车合格率=一次交车合格车辆数÷报告期全部修竣出厂车总数×100％B．返修率=汽车返修辆次÷总修竣车辆数×100％C．返工率是指维修后，车辆回厂重新维修的比率 查看答案
