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
2023-07-28
66
管理
问题
Today, most countries in the world have canals. Many countries have built canals near the coast, and parallel【C1】______the coast. Even in the twentieth century, goods can be moved more cheaply by boat than by any other【C2】______of transport. These waterways make【C3】______possible for boats to travel【C4】______ports along the coast without being【C5】______to the dangers of the open. Some canals, such as the Suez and the Panama, save ships weeks of time by making their【C6】______a thousand miles shorter. Other canals permit boats to reach cities that are not【C7】______on the coast, still other canals【C8】______water from rivers or lakes to help【C9】______fields where there is not enough water, and【C10】______water power for factories and mills.
The size of a canal【C11】______on the kind of boats going through it. The canal must be wide enough to .permit two of the largest boats using it to【C12】______each other easily. It must be deep enough to leave about two feet of water【C13】______the keel (龙骨) of the largest boat using the canal. When the planet Mars was first【C14】______through a telescope, people saw that the round disk of the planet was criss-crossed by a【C15】______of strange blue green lines. These were called "canals"【C16】______they looked the same as canals on earth【C17】______are viewed from an airplane. However, scientists are now【C18】______that the Martian phenomena are really not canals. The photographs【C19】______from spaceships have helped us to【C20】______the troth about the Martian "canals". [br] 【C1】
选项
A、off
B、with
C、to
D、by
答案
C
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2875346.html
相关试题推荐
Mostpeoplethinkcancerisadiseaseofrichwesterncountries.Nolongeri
Mostpeoplethinkcancerisadiseaseofrichwesterncountries.Nolongeri
Mostpeoplethinkcancerisadiseaseofrichwesterncountries.Nolongeri
[originaltext]Peopleinmostcountriesdependoncommunicationstechnology
WomenintheUnitedStatesandinmanyothercountries【B1】______inagrowin
WomenintheUnitedStatesandinmanyothercountries【B1】______inagrowin
WomenintheUnitedStatesandinmanyothercountries【B1】______inagrowin
WomenintheUnitedStatesandinmanyothercountries【B1】______inagrowin
WomenintheUnitedStatesandinmanyothercountries【B1】______inagrowin
WomenintheUnitedStatesandinmanyothercountries【B1】______inagrowin
随机试题
ReadthearticlebelowaboutMarcHooper,CEOoftheconfectionerygroupSpa
Juicemaybetasty,butit’snotreallythatnourishing.Whileorangejuice
[originaltext]A21.4-billionHKdollar(2.74billionUSdollars)surplusha
[originaltext]W:Caroltoldusonthephonenottoworryabouther.Herleftle
民事法律行为的实质要件包括( )。 ①行为人具有相应的民事行为能力 ②意
夏季小儿腹泻的病原体主要是()。A.致病性大肠杆菌 B.金黄色葡萄球菌 C
食管癌出现背痛时常表示癌肿A.累及肺脏 B.侵犯纵隔 C.纵隔淋巴结转移
根据《宪法》和法律的规定,关于国家机构,下列哪些选项是正确的?()A.全国人民
案例八: 一般资料:求助者,男性,24岁,硕士研究生。 案例介绍:求助者是
某医院欲新建一办公大楼,该办公大楼由某城建集团承包建造,则施工许可证应由()申
最新回复
(
0
)