【单选题】
外界环境可能有很大的波动，而生物总是能维持自身的相对稳定，这称为___。
A. 稳态
B. 适应
C. 进化
D. 应激性
查看试卷，进入试卷练习
微信扫一扫，开始刷题
答案
A
解析
暂无解析
相关试题
【单选题】
正确的生物结构层次是___。
A. 原子— 分子— 细胞— 组织— 器官— 个体— 种群— 群落— 生态系统
B. 原子— 分子— 组织— 细胞— 器官— 个体— 种群— 群落— 生态系统
C. 原子— 分子— 细胞— 器官— 组织— 个体— 种群— 群落— 生态系统
D. 原子— 分子— 细胞— 组织— 器官— 个体— 群落— 种群— 生态系统
【多选题】
关于新陈代谢描述正确的是___。
A. 包括同化作用和异化作用
B. 包括合成作用和分解作用
C. 不同生物的基本代谢过程不同。
D. 在代谢过程中，生物体内的能量总是不断地转化。
【多选题】
关于生长发育描述正确的是___。
A. 任何生物体在其一生中都要经历从小到大的过程
B. 生长是由于同化作用大于异化作用的结果
C. 单细胞生物的生长主要依靠细胞体积与重量的增加
D. 环境条件对生物的生长发育是没有影响的
【多选题】
关于生长发育描述正确的是___。
A. 任何生物体在其一生中都要经历从小到大的过程
B. 生长是由于同化作用大于异化作用的结果
C. 多细胞生物的生长主要是依靠细胞的分裂来增加细胞的数目
D. 环境条件对生物的生长发育是没有影响的
【多选题】
关于生长发育描述正确的是___。
A. 生长发育是一个受遗传控制的过程
B. 生物的生长发育总是按照一定的尺寸范围进行
C. 生物的生长发育总是按照一定的模式进行
D. 生物的生长发育总是按照一定的程序进行
【多选题】
下列关于生物适应的描述正确的是___。
A. 生物的结构都适合于一定的功能
B. 生物的结构和功能适合于该生物在一定环境条件下的生存和延续
C. 适应是生物界普遍存在的现象
D. 生物对环境的适应是一个随意应变的现象
【单选题】
除了生产力与生产关系的矛盾，另一对社会基本矛盾是 ___
A. 社会存在与社会意识的矛盾
B. 社会生产和社会消费的矛盾
C. 经济基础与上层建筑的矛盾
D. 先进意识和落后意识的矛盾
【单选题】
下列关于生产力和生产关系的表述中，不正确的是 ___
A. 生产力的性质决定生产关系的性质
B. 生产力的发展决定生产关系的改变
C. 生产关系对生产力具有巨大的反作用
D. 生产关系总是适应生产力的发展要求
【单选题】
在工程建设的程序中，经历了___多次性计价。
A. 估算→概算→修正概算→预算→决算→结算
B. 估算→概算→修正概算→预算→结算→决算
C. 概算→修正概算→估算→预算→结算→决算
D. 估算→预算→修正概算→概算→结算→决算
推荐试题
【单选题】
The captain wasn’t ___ on having him in the team.
A. eager
B. keen
C. overwhelmed
D. anxious
【单选题】
He was ___at the prospect of seeing them again.
A. thrilling
B. blessed
C. thrilled
D. emotional
【单选题】
They ___ against travelling at night in such a dangerous country.
A. consul
B. advocate
C. counsel
D. recommend
【单选题】
It is absolutely vital that food supplied should be ___.
A. sustained
B. enhanced
C. exhausted
D. maintained
【单选题】
He must have had an accident, or he ___ then.
A. would have been here
B. had to be here
C. should be here
D. would be here
【单选题】
It was essential that the application forms ___ back before the deadline (截止日期).
A. must be sent
B. would be sent
C. be sent
D. were sent
【单选题】
We ___ our breakfast when an old man came to the door.
A. just have had
B. have just had
C. just had
D. had just had
【单选题】
The bridge was named ___ the hero who gave his life for the cause of the people.
A. after
B. with
C. by
D. from
【单选题】
The road now ___two kilometers beyond the river.
A. develops
B. extends
C. expands
D. widens
【单选题】
It was claimed that the level of alcohol in the man’s blood was ___ to cause an accident.
A. sufficient
B. adequate
C. enough
D. accurate
【单选题】
Medical care reform has become this country’s most important public health ___.
A. question
B. stuff
C. matter
D. problem
【单选题】
His retail business in the city___ rapidly between the wars.
A. enlarged
B. extended
C. widened
D. expanded
【单选题】
Many frogs ___ the sound of their voice using special sacs(囊) in their throat.
A. amplify
B. widen
C. expand
D. enlarge
【单选题】
Some old people don’t like pop songs because they cannot ___ so much noise.
A. resist
B. sustain
C. tolerate
D. undergo
【单选题】
I have kept that portrait where I can see it every day, as it always ___ me of my university days in London.
A. recollects
B. reminds
C. recalls
D. invokes
【单选题】
The article suggests that when a person is under unusual ___ he should be especially careful to have a well-balanced diet.
A. weight
B. stress
C. press
D. nerve
【单选题】
You should hire a more ___ manager than the one you currently have.
A. sufficient
B. effective
C. respective
D. efficient
【单选题】
Surgeons began to ___ their hands and arms with soap and water before operating.
A. scrub
B. enhance
C. rub
D. exhibit
【单选题】
He might let something ___ in a moment of weakness.
A. slip
B. leak
C. to slip
D. to leak
【单选题】
The ___ for which he had fought all his life no longer seemed important to him.
A. aims
B. objectives
C. subjects
D. goals
【单选题】
Eating too much fat can ____heart disease and cause high blood pressure.
A. contribute to
B. attribute to
C. attest to
D. devote to
【单选题】
It soon ___ that what she loved was not my person but my wealth.
A. widened
B. expanded
C. extended
D. developed
【单选题】
I want to buy a new tie to ___ this brown suit.
A. go into
B. go after
C. go with
D. go through
【单选题】
Our company decided to ___ the contract because a number of the conditions in it had not been met.
A. destroy
B. resist
C. assume
D. cancel
【单选题】
I think it’s time I ___ in a new computer.
A. invested
B. insulted
C. interacted
D. impacted
【单选题】
The jeweler will ____ the inside of the ring with her name.
A. carve
B. engrave
C. cut
D. engross
【单选题】
They are _____ moving their office outside London.
A. considered
B. discussing
C. pondering
D. negotiating
【单选题】
Although she _____ the old pot thoroughly, she could not make it look completely clean.
A. scrubbed
B. washed
C. made
D. screwed
【单选题】
The mistake will remain an indelible ____ on his memory.
A. stain
B. thing
C. issue
D. accident
【单选题】
The wheel ____ through my frozen hand, and the car went right across the road.
A. slipped
B. sipped
C. dashed
D. disappeared
【单选题】
The cupboard was ____ with old fishing tackle.
A. stuffed
B. stocked
C. stored
D. filled
