11. Scientific truth offers an explanation that is acceptable only in the light of what is known at a particular time.
12. New ideas are frequently very slow to be accepted.
13. Continued progress 继续的发展
14. 时态题：There is an experiment on the sprouting of seeds which has been running for more than 50 years.
编辑推荐：
下载Word文档
温馨提示：因考试政策、内容不断变化与调整，长理培训网站提供的以上信息仅供参考，如有异议，请考生以权威部门公布的内容为准！ (责任编辑：长理培训)
点击加载更多评论>>