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
2024-02-12
56
管理
问题
Today, most countries in the world have canals. Many countries have built canals near the coast, and parallel【67】the coast. Even in the twentieth century, goods can be moved more cheaply by boat than by any other【68】of transport. These waterways make it【69】for boats to travel【70】ports along the coast without being【71】to the dangers of the open. Some canals, such as the Suez and the Panama, save ships weeks of time by making their【72】a thousand miles shorter. Other canals permit boats to reach cities that are not【73】on the coast, still other canals【74】lands where there is too much water, help to【75】fields where there is not enough water, and【76】water power for factories and mills. The size of a canal【77】on the kind of boats going through it. The canal must be wide enough to permit two of the largest boats using it to【78】each other easily. It must be deep enough to leave about two feet of water【79】the keel (船的龙骨) of the largest boat using the canal. When the planet Mars was first【80】through a telescope, people saw that the round disk of the planet was crisscrossed by a【81】of strange blue-green lines. These were called "canals"【82】they looked the same as canals on earth【83】are viewed from an airplane. However, scientists are now【84】that the Martian phenomena are really not canals. The photographs【85】from space-ships have helped us to【86】the truth about the Martian "canals". [br]
选项
A、find
B、conceal
C、uncover
D、discover
答案
D
解析
本题考查近义动词辨异。discover指发现抽象的事物,符合句意;find指发现实物;conceal“隐藏;隐瞒,遮住”;uncover“揭开”。
转载请注明原文地址:http://tihaiku.com/zcyy/3443978.html
相关试题推荐
Afterseveralnegotiations,____________(两国就进口关税达成妥协).twocountriesreachedaco
[originaltext]Insomecountriescertainkindsofinsurancearecompulsory.
[originaltext]Insomecountriescertainkindsofinsurancearecompulsory.
Inmanycountries,suchasFrance,Greece,andJapan,itisoftenmorediffi
Inmanycountries,suchasFrance,Greece,andJapan,itisoftenmorediffi
Inmanycountries,suchasFrance,Greece,andJapan,itisoftenmorediffi
Inmanycountries,suchasFrance,Greece,andJapan,itisoftenmorediffi
Inmanycountries,suchasFrance,Greece,andJapan,itisoftenmorediffi
Oneoftheearliestchangesexperiencedbynewlymodernizingcountriesisth
Oneoftheearliestchangesexperiencedbynewlymodernizingcountriesisth
随机试题
Youwillhearapartofaconversationbetweentwomanagersfromdifferentc
Theyaretaughtbytheirsuperiorsthatasoldierwho______hispostintimeofw
[originaltext]Thedangerfromearthquakesisveryreal—theyareprobablyth
建仓时,当远期月份合约的价格()近期月份合约的价格时,做空头的投机者应该卖出近期月份合约。A、等于B、低于C、大于D、接近于B反向市场中,做空
以少数的学生为对象,在较短的时间内(5~20分钟),尝试小型的课堂教学,可以把这
北方某地区为了应对干旱,居民用水量已经受到严重的限制。不过,目前水库蓄水量与5年
A. B. C. D.
可用于哌替啶和可待因的脱毒治疗的是A.可乐定 B.东莨菪碱 C.美沙酮 D
女,24岁。1年来反复双下肢紫癜,月经过多,病前无服药史。肝脾不大,血红蛋白10
我国允许治疗性或研究性克隆,但只限于使用胚胎或胎儿的孕天或孕周是A.孕14天前
最新回复
(
0
)