题目内容
The mast fundamental group to which a person belongs is the family. The institution of the family exists in almost every human culture. It is considered by behavioral scientists to be one of the oldest institutions in human history.The family unit serves many important functions. The performance of these functions is the reason for the family’s importance. Above all, the family serves as a mechanism of species survival.Families also have important economic functions. In primitive societies, the tasks of gathering food and providing shelter were divided among family members. Today, both husband and wife may work and share the duties of homemaking and child mating.In addition to its survival and economic functions, the family gives its members social status. In many societies, a person is not considered a complete member until he has married and produces children. Finally, the family helps to meet the basic emotional needs of a person through the love and support received from parents, siblings(兄弟姐妹) and relatives. Which of the following best states the main idea of the passage（）
查看答案
搜索结果不匹配？点我反馈
更多问题
Have you seen a live koala The koala is one of Australia’s most famous and best loved animals. It has a peaceful character and looks like a teddy bear (儿童的玩具熊). These have made it a favorite around the world, even though few people outside Australia have had the opportunity to see a live koala. It is sometimes called a native bear or koala bear. However, it is not related to the bear family or any other animal. The koala spends most of its life in trees, coming to the ground only to travel between them. On the ground it walks slowly on all four legs. However, it is a good climber, its sharp claws enabling it to climb trees easily, The koala is quiet, and usually lives alone. Three races of koala have been recorded, The first is found in New South Wales. It is gray or gray-brown in color. The second race is found in Queensland. It has shorter fur, of red colors. The third race is found in Victoria and it has a woolly coat of brown. The koala is a lovely animal, so come to Australia and see it.The Koala(46) have many opportunities to see a live koala.The koala is also called koala bear because it looks (47) .It usually stays (48) .On the ground it walks slowly on (49) .The three races of koala are different in (50) . 47（）
The thief stole the lights, (make)（）the stairs even darker.
痰火刚市型百日咳的治疗首选方剂是( )
中毒性痢疾：（）
微信支付 
支付宝支付