IQS新车不满用户回访的方式是（）
A、客服电话回访
B、网上问卷调查回访
C、随机调查回访
参考答案：A
设集合M={x|（x+3）（x-5）＜0}，N={x|log3x≥1}，则M∩N=（ ）
A．[3，5）
B．[1，3]
C．（-3，5）
D．（-3，3]
The computer was used in teaching. As a result，not only _____，but students became more interested in the lessons.
A．saved was teachers’ energy
B．was teachers’ energy saved
C．teachers’ energy was saved
D．was saved teachers’ energy
