It is a great surprise that almost one q________ of the students in this school have met so many problems. 2.The temperature was far below z________. It was very difficult to start the car. 3.Electricity is a t________ of energy that was discovered over 100 years ago. 4.With the development of electronic ________ (工业), e­waste pollution has become a serious problem. 5.This activity showed us the __________(重要性) of protecting our environment. 用括弧中所给短语的适当形式填空 (as common as, each other, even though, together with, at least) 6.She won't leave the TV set, ____________ her supper is on the table. 7.Now computers are becoming ____________ TVs in many families. 8.There were ____________ two hundred people attending the meeting. 9.Betty ____________ her mother will go to the park tomorrow. 10.Our teacher usually asks us to learn from ____________.