首页
登录
职称英语
The modern age is an age of electricity. People are so used to electric ligh
The modern age is an age of electricity. People are so used to electric ligh
游客
2023-07-15
63
管理
问题
The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and telephones that it is hard to【S1】______what life would be like without them. When there is a【S2】______failure, people grope about in candlelight, cars【S3】______in the streets because there are no traffic lights to guide them, and food【S4】______in silent refrigerators.
Yet, people began to understand how electricity works only a little more than two centuries ago. Nature has【S5】______been experimenting in this field for million of years. Scientists are【S6】______more and more that the living world may hold many interesting secrets of electricity that could benefit humanity.
All living cells send out tiny pulses of electricity. As the heart【S7】______, it sends out pulses of record; they form an electrocardiogram(心电图), which a doctor can study to determine how well the heart is working. The brain, too, sends out brain【S8】______of electricity, which can be recorded in an electroencephalogram(脑电图). The electric currents generated by most living cells are extremely small--often so small that【S9】______instruments are needed to record them. But in some animals, certain muscle cells have become so specialized as electrical generators that they do not work as muscle cells at all. When large numbers of these cells are linked together, the effects can be【S10】______.
A)spoils I)apparently
B)sensitive J)discovering
C)beats K)reasonable
D)waves L)power
E)astonishing M)hits
F)seemingly N)imagine
G)stop O)hesitate
H)determine [br] 【S4】
选项
答案
A
解析
根据该词所在句子的意思可知,在没有电的冰箱里,食物会腐烂,所以选spoils。
转载请注明原文地址:http://tihaiku.com/zcyy/2839495.html
相关试题推荐
[originaltext]Thefirst"NationalSampleSurveyofPeople’sReadingTrends"
[originaltext]Ifyouarelikemostpeople,yourintelligencevariesfromse
[originaltext]Ifyouarelikemostpeople,yourintelligencevariesfromse
Ofalltheproblemsfacingmodernastronomers,perhapsthemostfascinating
Ofalltheproblemsfacingmodernastronomers,perhapsthemostfascinating
Ofalltheproblemsfacingmodernastronomers,perhapsthemostfascinating
Ofalltheproblemsfacingmodernastronomers,perhapsthemostfascinating
Whydopeoplesmoke?Onereasonisthatpeoplebecome【B1】______tocigare
Whydopeoplesmoke?Onereasonisthatpeoplebecome【B1】______tocigare
Whydopeoplesmoke?Onereasonisthatpeoplebecome【B1】______tocigare
随机试题
[img]ct_epem_epelisv_01711(20097)[/img][br][originaltext]SomeoldMenarefish
Whenwewantto【C1】______otherpeoplewhatwethink,wecandoitnotonlyw
Whydidthepaperindustryneedanewsourceoffiberintheearly1800s?[br]
Itwasnotuntiltheendofthe20thcenturythat__________________(我们才重视环境问题).
系统误差虽然可以利用修正值进行补偿,但这种补偿是不完全的。
以清宣温燥、润肺止咳为主要功用的方剂是()A.杏苏散 B.桑杏汤
适用于耐高温、耐湿物品灭菌的方法是A:烧灼B:干烤C:流通蒸汽灭菌D:间歇
对单侧咀嚼的描述不正确的是A:单侧咀嚼是为了躲避牙合障碍 B:单侧颞下颌关节有
机械设备开箱检查时,应进行检查和记录的项目不包括( )。A.箱号、箱数以及包装情
糖皮质激素不良反应除外A.停药引起肾上腺皮质功能不全 B.导致低血压 C.诱
最新回复
(
0
)