请阅读下面短文和资料,回答有关问题。 草原的繁盛和衰亡关系到鹿群的生活,草是影响

题型:探究题

问题:

请阅读下面短文和资料,回答有关问题。

草原的繁盛和衰亡关系到鹿群的生活,草是影响鹿群生存的生物因素;同样,草原上其他生物如鹿群和人类也是影响草生存的生物因素,鹿群个体数量的大量增加,或人类不恰当的建设活动,都可能破坏草原。1911年,在一个没有肉食性动物和人的狩猎活动的小岛上,人们引进了15头驯鹿,   到1922年,岛上的驯鹿已经有222头了。又经过20年,岛上的驯鹿只剩下40多头,并且再也没有大的数量变化。  

(1) 提出一个问题:_________________?

(2) 作出合理假设:_____________________。

(3) 将上文资料引作证据:________________。

考点:科学研究方法食物链和食物网
题型:探究题

.

第四部分:第一节:短文填词。(共l0小题;每小题1分,满分10分)

阅读下面短文,根据以下提示:1)汉语提示;2)首字母提示;3)语境提示,在每个空格内填入一个适当的英语单词,并将该词完整地写在右边相对应的横线上。所填单词要求意义准确、拼写正确。

In 1921,after 17 years of ______(服务)to the Emperor,    76___________

Marco returned to Italy.He was now a very w_____man.    77___________

Not long after his return,a _____(当地的)war broke out      78___________

near his town.During the war,Marco was the _____(上尉)    79___________

of a warship but was caught by the enemy and put into prison.

However,Marco was l______ enough to meet another       80_________

prisoner who enjoyed ______(听)to his stories about        81_________

China.The prisoner was an a_________ and he took        82_________

d_______ while Marco told all his stories to him.          83_________

The prisoner then wrote the stories in a book c____        84_________

The D______of the World, which became one of the        85_________

best-selling books in Europe.

题型:探究题

能治肝热目赤肿痛的药物有

A.桑叶

B.决明子

C.菊花

D.夏枯草

E.车前子

题型:探究题
—What's that in English?
—_____ a dictionary.

A. It's
B. That's
C. This is
D. He's
题型:探究题

勾兑与调味的相互关系?

题型:探究题

京东商城(http://www.360buy.com)是一个在线电子产品购物网站,请根据自己的体会分析:

京东商城的客户营销策略(4分)。

更多题库