首页
登录
职称英语
Today, most countries in the world have canals. Many countries have built ca
Today, most countries in the world have canals. Many countries have built ca
游客
2023-09-03
38
管理
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 [br] 【C8】
选项
答案
E
解析
表示“用……观测”,要用observe。
转载请注明原文地址:https://tihaiku.com/zcyy/2982736.html
相关试题推荐
Ahealthyeconomyseems__________withgovernmentmonopolyinanycountries.A、i
Thetwocountriesshouldsettletheirdisputesina________manner.A、rationalB
Itis______inWesterncountriestogivepeoplegiftsontheirbirthdays.A、cohe
Relationsbetweenthetwocountrieshave______sincetheagreementwassigned.A、
[originaltext]Amongwesternrichcountries,peopleintheUnitedStateswor
[originaltext]Amongwesternrichcountries,peopleintheUnitedStateswor
[originaltext]Amongwesternrichcountries,peopleintheUnitedStateswor
Relationsbetweenthecountrieswereformally______in1997.A、mechanizedB、norm
CountrieslikeDenmark,Norway,Sweden,SwitzerlandandFinlandinthenorth
CountrieslikeDenmark,Norway,Sweden,SwitzerlandandFinlandinthenorth
随机试题
HorsemanshipReturnedA)Bridgeport,Calif.Themene
ShoppinghabitsintheUnitedStateshavechangedgreatlyinthelastquarte
2000年4月,()档案馆试办了全国首家文件档案资料服务中心。A.广东省深圳市
美是纯洁道德、丰富精神的重要源泉。下列关于美育的表述,错误的是( )。A.美育
如图4所示,玻璃管内封闭了一定质量的气体,气柱长度为ι,管内外水银面高度差为h。
注:1.农村金融机构包括农村商业银行、农村合作银行、农村信用社和新型农村
烙画古称“火针刺绣”,是一门传承千年的艺术。烙画以火为“墨”,用火烧热特制铁笔,
每张中成药处方可以开具的药品种类最多的是A.2种 B.3种 C.5种
下列要素中,属于麦肯锡公司提出的7s模型中软件要素的有()A.人员 B.制度
男,17岁,水肿1周,辅助检查:尿蛋白(+++),尿沉渣镜检:红细胞0~1/HP
最新回复
(
0
)