中国大学MOOC: Natural rubber usually is much stronger and harder than vulcanized rubber.

Natural rubber usually is much stronger and harder than vulcanized rubber. A: 正确 B: 错误

……wearing rubber boots…同义结构 A: in rubber boots B: have rubber boots on

Wood does not conduct electricity, ______． A: nor rubber does B: nor does rubber C: also doesn’t rubber D: so doesn’t rubber

Wood does not conduct electricity; _____. A: so doesn’t rubber B: also doesn’t rubber C: nor does rubber D: nor rubber does

Wood does not conduct electricity, __________. A: so doesn't rubber B: also doesn't rubber C: nor does rubber D: neither rubber does

Wood does not conduct electricity; _____. A: so doesn’t rubber B: also doesn’t rubber C: nor does rubber D: nor rubber does

Wood does not conduct electricity, ______ A: nor rubber does B: B. nor does rubber C: also doesn’t rubber D: D. so doesn’t rubber

6) Rubber is _________, so a ball made of rubber is easy to bounce.

My shoes are made of rubber.