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
Today, most countries in the world have canals. Many countries have built canals near the coast, and parallel to the coast. Even
Today, most countries in the world have canals. Many countries have built canals near the coast, and parallel to the coast. Even
admin
2012-11-30
46
问题
Today, most countries in the world have canals. Many countries have built canals near the coast, and parallel to the coast. Even in the twentieth century, goods can be moved more cheaply by boat than by any other【C1】______ of transport. These【C2】______ make it possible for boats to travel between ports along the coast without being【C3】______ to the dangers of the open. Some canals, such as the Suez and the Panama, save ships weeks of time by making their【C4】______ a thousand miles shorter. Other canals permit boats to reach cities that are not located on the coast, still other canals【C5】______ lands where there is too much water, help to【C6】______ fields where there is not enough water, and furnish water power for factories and mills. The size of a canal【C7】______ on the kind of boats going through it. The canal must be wide enough to permit two of the largest boats using it to pass each other easily. It must be deep enough to leave about two feet of water beneath the keel of the largest boat using the canal. When the planet Mars was first 【C8】______ through a telescope, people saw that the round disk of the planet was criss-crossed by a number of strange blue-green lines. These were called "canals "because they looked the same as canals on earth that are viewed from an airplane. However, scientists are now【C9】______ that the Martian phenomena are really not canals. The photographs taken from spaceships have helped us to【C10】______ the truth about the Martia "canals".
A. soak B. means C. depends D. channels E. observed
F. bases G. waterways H. certain I. drain J. discover
K. voyage L. irrigate M. exposed N. route O. definite
【C10】
选项
答案
J
解析
discover指发现抽象的事物。
转载请注明原文地址:https://kaotiyun.com/show/Yub7777K
0
大学英语六级
相关试题推荐
Wehelddifferentopinionsanditneededanoutsiderto______ourideas
Teachingstudentsofthresholdlevelishardbuttheeffortisvery______toallofus.
Thekeypointtwoleadershaveagreeduponisthattherelationshipbetweendifferentcountriesshouldbebasedon________resp
Americanshavebecome______sophisticatedanddiscriminatingabouthowtheylive,eatandplaywithinaneverchangingworld.
______preparationswerebeingmadeforthePrimeMinister’sofficialvisittothefourforeigncountries.
StudentsfinditdifficultindistinguishingsomeEnglishwordsasthereisonlydifferencebetweenthem.
Hecanchoosefromdifferentjobsandprobablychangeshisworkmorefrequentlyasheisnot______toachoicewithinasmallr
A、Someonewhoalwaystalksabouthimself.B、Themostviolenttypeofco-workers.C、Someonewhostabsyourback.D、Themostcommo
SometimeagoafriendwhohadlosthisCityjobconfessedhehadconsideredkillinghimself.Iwasappalledbutnotsurprised:
A、Shelostafinger.B、Someonehitherinthenose.C、Shebecameasurgicalnurse.D、Shehadanoperationonhernose.D对话中女士提到s
随机试题
因故退还的我国出口货物,可以免征进口关税,已征收的出口关税,应予退还。()
风为什么天地这般复杂地把风约束在中间?硬的东西把它挡住,软的东西把它牵绕。不管它怎样猛烈地吹;吹过遮天的山峰,摆脱缭绕的树林,扫过辽阔的海洋,终逃不到天地之外去。或者为此,风一辈子不能平静,和人的感情一样。也许最平静的风,还是拂拂微风。果然
患者,男,25岁。低热2周。查体:气管不偏,右侧胸部呼吸运动减弱,右下肺触觉语颤正常,叩诊呈浊音,肺泡呼吸音减低,未闻及湿啰音,左肺未见异常。(2008年第91题)根据患者的右侧胸部体征,可诊断为
A.由纤维母细胞增生形成有蒂的硬的实性块物B.肿物质软,生长缓慢,呈圆形分叶状C.肿物单发,表面覆有油脂性物质,有恶变倾向D.肿物包膜完整,与表皮不粘连,极少发生恶变E.多发生在生育年龄,肿物质硬
纯交换的完全竞争市场上有两个消费者A和B,两种商品X和y,消费者A和B的效用函数分别为U(XA,YA)=XAYA和U(XB,YB)=lnXB+αlnYB。其中,XA,YA分别为消费者A在X、Y上的消费,XB,YB同理。A和B的初始禀赋分别为(eAX,eAY
设线性方程组与方程(Ⅱ):x1+2x2+x3=a-1有公共解,求a的值及所有公共解。
为了提高数据库性能,在销售单据表中增加“总价”字段(由表中“单价”ד数量”计算而来),此种数据库优化方法被称为增加【11】冗余列方法。
"WelcometoU.S.A.!Majorcreditcardsaccepted!"Bythemilliontheyarecoming—nolongerthetired,thepoor,thewretch
Theprincipalpurposeofthispassageisto______.Inthepassagetheauthorisprimarilyconcernedwith______.
Usually,therearetworeasonstopursuescientificknowledge:forthesakeoftheknowledgeitself,andforthepracticaluse
最新回复
(
0
)