题目： 英国的煤炭消费量从1800年的1000万吨，猛增到1856年的6000万吨。出现这一变化的主要原因是 [ ]A、蒸汽机的推广 B、相对论的提出 C、内燃机的出现 D、发电机的发明 答案： 答案：A
题型：选择题 The most important thing is _______.A. what do you learn B. what did you learn C. what you learnsD. what you learnt 查看答案
题型：选择题 The report indicated that 45% of students were in jobs not_______specific qualifications.A．requiringB．to be requiredC．being requiredD．to have required 查看答案
