首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and telephones that it is ha
The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and telephones that it is ha
admin
2013-03-11
44
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
【S10】
选项
答案
E
解析
在be后应填形容词。本句的意思为如果所有这些细胞连接起来,结果将是惊人的,选astonishing。
转载请注明原文地址:https://kaotiyun.com/show/hdu7777K
0
大学英语四级
相关试题推荐
Haveyouever【B1】______whatotherpeopledowiththeiroldcomputers?Inthepasttheyhaveoftenpaidhighpricesfortheirol
Haveyouever【B1】______whatotherpeopledowiththeiroldcomputers?Inthepasttheyhaveoftenpaidhighpricesfortheirol
YadinneededhundredsofpeopletohelphimbecausethepalaceofMasadawashugeandtheworkwasdifficult.Wallpainting,ba
Modernscientistsdividetheprocessofdyingintotwostages-clinicalortemporarydeathandbiologicaldeath.Clinicaldeatho
Modernscientistsdividetheprocessofdyingintotwostages-clinicalortemporarydeathandbiologicaldeath.Clinicaldeatho
Thethousandsofpeopleforcedtoabandontheirhomesinrecentweekstofloodwatersarevictimsnotjustofnaturebutofhuman
IsHigherEducationaBubble?MycolleagueatDemocracyinAmericadrawsattentiontoanongoingdebateoverthenatureofh
IsHigherEducationaBubble?MycolleagueatDemocracyinAmericadrawsattentiontoanongoingdebateoverthenatureofh
随机试题
试析英、美采取绥靖政策的原因及后果。(东北师范大学2000年世界通史真题)
孤立性血尿:
似蚓蛔线虫对人的危害很多,主要危害为
“亚硝酸钠一硫代硫酸钠”疗法:立即将亚硝酸异戊酯1~2支包在手帕或纱布内弄碎,给病人吸入15~30秒,每隔3分钟重复1次。接着静脉缓慢注射3%亚硝酸钠10~15ml,随即用同一针头缓慢静脉注射硫代硫酸钠20~50ml。硫代硫酸钠能使下列离子转变为无毒的
不符合急性胰腺炎腹痛特点的是
与二、三级信息源相比,一级信息源的特点是()。
下列业务中,国有企业之间不能采用托收承付结算方式的有()。
如果在期货市场上找不到与需要保值现货一致的品种,则可以在期货市场上寻找与现货在功能上比较相近的品种以其作为替代品进行套期保值,这种方法称为()交易。
嘉靖二十九年,鞑靼部俺答汗率兵绕过大同,直下通州,进逼北京,大肆抄略,史称()。
TheAmericaneducationalsystemisbasedontheideathatasmanypeopleaspossibleshouldhaveaccesstoasmucheducationas
最新回复
(
0
)