简述绿色玩具产品的项目指标。
参考答案：
绿色产品是指生产过程及其本身节能、节水、低污染、低毒、可再生、可回收的一类产品。
--- The bridge outside the school annoys the students awfully.
--- Actually, we don’t know when it will be completed.
A．to be built
B．to build
C．being built
D．having been built
I insisted that a doctor__________ immediately.
A．has been sent for
B．sends for
C．Will be sent for
D．be sent for
