防御行为是动物为对付________,保卫自身的________,或者对本种群中

题型:填空题

问题:

防御行为是动物为对付________,保卫自身的________,或者对本种群中其个体发出________而发生的行为。

考点:先天性行为和学习行为
题型:填空题
Li Dong is a farmer. He has a very big   46 . On the farm, he grows oranges, grapes and bananas. Many people come to   47  his farm. He is a successful young man and becomes very famous.
In 2003, he went back to his hometown   48  he finished middle school. “What work can I do?” he said to himself. Then he had an idea. “I’m interested   49  farming. I can grow fruit!” He began to watch many   50  on TV about growing fruit. He also read a lot of books about it. Then he went to   51  on Mr Wang’s farm for two years. He learned a lot there.
In 2005, he started his own fruit farm.   52 , Li Dong’s farm was small. But now, his farm is much   53 . His fruits are very good. He sends them to many big   54  in China, such as Shanghai, Beijing and Guangzhou. He also grows vegetables and raises chickens on his farm. His family eats very   55  food. He has a very happy family.
小题1:
A.farm B.parkC.schoolD.shop
小题2:
A.look B.takeC.visit D.notice
小题3:
A.sinceB.afterC.though D.so
小题4:
A.inB.onC.at D.for
小题5:
A.gamesB.concertsC.programmes D.plays
小题6:
A.see B.playC.eat D.work
小题7:
A.At lastB.At that time C.At this momentD.At once
小题8:
A.bigB.biggerC.the biggestD.biggest
小题9:
A.villages B.schools C.citiesD.farms
小题10:
A.healthyB.badC.terribleD.unhealthy
题型:填空题

女73岁,牙列缺失,戴用全口义齿2周后,自觉上唇处疼痛,左侧咬食物时义齿不脱位,右侧咬食物时义齿脱落,有时会咬伤颊部软组织,查见上唇系带处有一个直径约2mm的溃疡。

对于这种咬颊的情况,一般的处理方法是()

A.手术切除部分颊侧软组织

B.重新制作义齿

C.加厚颊侧基托

D.调磨下牙颊尖,加大后牙覆盖

E.以上都不对

题型:填空题

患者,女,32岁,临床诊断亚急性甲状腺炎,其表现哪一项错误()

A.弥漫性肿大

B.大小、结构、回声正常

C.内呈稀疏、均质的弱回声

D.局部有压痛

E.多普勒超声显示,血流可以丰富或不丰富

题型:填空题

六价铬与二苯碳酰二肼作用,生成络合物的颜色为

A.绿色 

B.紫红色 

C.蓝色 

D.黄色 

E.橙色 

题型:填空题

频敏变阻器其构造与三相电抗相拟,即由三个铁芯柱和()绕组组成。

A、二个

B、一个

C、三个

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