Plastics have taken the place of many conventional materials．题目和参考答案——青夏教育精英家教网—

题目内容

Plastics have taken the place of many conventional materials．

答案：
解析：

塑料已取代了许多传统材料。

练习册系列答案

Steven Trotter of Florida and Lori Martin of Atlanta were treated at a hospital for small hurts after dropping over the falls as a Father’s Day show.

Police took an hour to free the barrel wrapped with bulletproof (防弹的) material and covered in thick plastics, from rocks at the base of the falls.

Which of the following gives the correct relationship between Canada, Niagara Falls and Horseshoe Falls?

(N = Niagara Falls, H = Horseshoe Falls, C= Canada)

A U. S. couple have succeeded in a 55 meter fall over Horseshoe Falls in a barrel (木桶) with only slight hurts. Horseshoe Falls is the Canadian part of Niagara Falls.

Steven Trotter of Florida and Lori Martin of Atlanta were treated at a hospital for small hurts after dropping over the falls as a Father’s Day show.

Police took an hour to free the barrel wrapped with bulletproof (防弹的) material and covered in thick plastics, from rocks at the base of the falls.

Which of the following gives the correct relationship between Canada, Niagara Falls and Horseshoe Falls?

(N = Niagara Falls, H = Horseshoe Falls, C= Canada)

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