托福考试作文名师讲课内容整理

isn’t it necessary that they give some consideration to

When those people enjoy convenience brought by automobiles, isn’t it necessary that they give some consideration to the heavily polluted air and those people who are injured severely (had) in the car accidents?

When people enjoy the convenience brought the construction plan, isn’t it necessary that they give some consideration to the heavily polluted air and those people who are injured severely or die in the car accident because of the traffic jam after the construction of the factory?

5．

并列结构(2－3)

Teaching machines are devices that can store instructional information, present displays, receive response from a learner, and act on those responses. 6．

虚拟语气