The answer to this question is ().
A. Report the result of a discussion
B. Raise some environmental issues
C. Submit an important documentation
D. Revise an environmental report
查看答案
The answer to this question is ().
A. Growing populations
B. Packaging materials
Changed eating habits
D. Lower production cost
The answer to this question is ().
A. By saving energy
By using less aluminum
C. By reducing poisonous wastes
D. By making the most of materials
The answer to this question is ().
A. We are running out of natural resources soon
B. Only combined efforts can make a difference
C. The waste problem will eventually hurt all of us
D. All of us can actually benefit from recycling
The answer to this question is ().
A. To get information on one-way tickets to Canada
B. To inquire about the price of “Super saver” seats
C. To get advice on how to fly as cheaply as possible
D. To inquire about the shortest route to drive home
微信支付 
支付宝支付