1．(2018·全国卷Ⅰ)As we ________(accumulation) more devices, however, we didn't throw out our old ones.
[答案] accumulated
2．(2018·全国卷Ⅱ)Making lovely objects using recycled and made materials. Bags, cushions and ________(decorate)．
[答案] decorations
3．(2018·浙江卷)Plasticbag makers are hiring scientists like Stein to make the case that their products are not as bad for the planet as most people ________(assumption)．
[答案] assume
4．I am sure the new traffic regulation will meet with a strong____________(object) from the public.
[答案] objection
