societies were often in danger of extinction because .A.only one in ten persons could live past 40.B.our ancestors had little enthusiasm for more childrenC.there was higher mortality than fertility in most place
Man has a big brain. He can think, learn and speak. Scientists thought that men are different from animals because they can think and learn. They know now that dogs, cats and birds can learn too. They are beginning to understand that. They make noises wh
Western babies are dressed in bigger clothes while Chinese babies are usually wrapped D. Western babies have more clothes than Chinese babies 点击展开完整题目 查看答案和解析>> 科目:来源:导学必修一英语北师版 北师版题型:050 Weddings (1) According to the passage, you can find the following informat...
本题是细节理解题,根据文章第二段第二行That’s because touching changes their genes (基因) and, even worse, can slow their growth和第六段第三行“If the touching is repeated, then plant growth is reduced by up to 30 percent.”可知,“触碰会降低植物生长能量从而减缓生长”故答案选B。
Wecanbeginourdiscussionof“populationasglobalissue”withwhatmostpersonsmeanwhentheydiscuss“thepopulationproblem”:toomanypeopleonearthandatoorapidincreaseinthenumberaddedeachyear.Thefactsarenotindispute,Itwasquiterighttoemploytheanalogythatlikeneddemographicgrowthto“along,thinpowderfusethatburnssteadilyandhaltinglyuntil...
We know that we are getting even older, and that the nearer a society approximates to zero population growth, the older its population is likely to be--at least, for any future that concerns us now. To these now familiar facts a number of further facts may be added, some of them ...
D. compare the demographic growth pattern in the past with that after 1650相关知识点: 试题来源: 解析 【答案】 【1】B 【2】A 【3】C 【4】C 【解析】 试题分析:文章讨论了现在人口增长过快,并解释了为什么古代人口少有增长,而近些年人口剧增。 【1】B 考查推理判断题。根据第一段提到It was quite...
B. our ancestors had little enthusiasm for more children C. there was higher mortality than fertility in most places D. it was too dangerous to have babies due to the poor conditions 【4】 The author of the passage intends to . A. warn people against the population explosion in the near...
One day not too long ago the employees of a large company in St .Louis, Missouri returned from their lunch break and were greeted with a sign on the front door. The sign said: “Yesterday the person who has been hindering your growth in this company pass
“I'm too old and it's too late, these were the words which played over and over in my mind. I was 41 and exhausted after ending my marriage and my law career at the same time. 42 my ambition to become a writer, I 43 my ability to succeed as one.