皮皮学,免费搜题
登录
搜题
【简答题】
The need for birth control methods has developed fairly recently, with the desire among many women to【B1】______decide when they want to have a baby. At the same time there is a growing【B2】______of the problem of a rapidly increasing world population. This problem of a rising world population is largely the result of【B3】______skills, which have lowered the death rate and at the same time raised the birth rate by increasing live births and the number of babies who survive early childhood. There is a growing realisation that food production cannot【B4】______these increase, the result of which is that in some countries people are already starving to death. This problem is further【B5】______by the fact that in places like America and Europe we obtain by trade and consume far more food and resources like oil than, say, the average Indian, thus leaving even less for the people in the underdeveloped areas to【B6】______. World population is rising at a rate of two percent a year; this means an addition of 70 million people a year to the【B7】______population of more than 3,500 million. There are striking regional【B8】______in the population growth trends. The fastest growing region is Latin America which includes South and Central America and the Caribbean, while Africa and Asia【B9】______follow Latin America. However, the largest【B10】______addition to the world population is in Asia which at present contains about three-fifths of the people in the world. 【B1】
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【判断题】孔多塞认为人类的进步是在身体、精神和道德上的全面和谐的进步。()
A.
正确
B.
错误
【单选题】间歇操作的反应器,当操作条件、处理量相同时,达到相同的转化率,需要的( )越长,表示反应器的生产能力越小。
A.
停留时间
B.
平均停留时间
C.
反应时间
D.
空间时间
【单选题】角化与未角化复层扁平上皮最大的区别在于
A.
细胞数量
B.
细胞形态
C.
细胞层数
D.
浅表层细胞是否含细胞核
E.
基底细胞的形态
【简答题】TEM的主要组成部分是 、 和观 ;辅助部分由 、 和 组成。
【判断题】rmdir命令可以删除任何目录。
A.
正确
B.
错误
【单选题】角化与未角化复层扁平上皮最大的区别在于
A.
细胞数量
B.
细胞形态
C.
细胞层数
D.
浅表层细胞是否含细胞核
E.
细胞核的形态
【简答题】设【图片】是多项式,且【图片】,【图片】,求【图片】。
【简答题】设【图片】在闭区域【图片】连续,且【图片】,求【图片】
【单选题】垄断引起无谓损失是因为( )。
A.
垄断企业比竞争企业赚取更高的利润
B.
一些潜在消费者不去购买价值高于其边际成本的物品
C.
购买该物品的消费者支付高于边际成本的价格,这就减少了他们的消费者剩余
D.
垄断企业选择的产量不能使价格等于平均收益
【判断题】rmdir命令可以删除任何文件和目录
A.
正确
B.
错误
相关题目: