首页
登录
职称英语
There are many reasons for tidal action; thus, tides are very complicated ph
There are many reasons for tidal action; thus, tides are very complicated ph
游客
2024-07-08
22
管理
问题
There are many reasons for tidal action; thus, tides are very complicated phenomenon involving many factors, all of which must be considered to predict tidal action in any one place at any given time. The alternate rise and fall of the surface of the seas and the oceans is mainly caused by the attractive force of the moon. When the attraction is great, the tide is high; conversely, when the attraction is minimal, the tide is low. Between the high tide and the low tide is a period of a little over six hours, being called during its rise a flood tide, and during its fall an ebb(退潮) tide.
The sun also exerts its effect on the tide, being a little less than half as much as the moon, although its mass is so much greater. When the moon and the sun are horizontal, the highest tide occurs and when they are vertical the lowest tide takes place.
The wind also plays an important part in the modification of the normal rise and fall of the tides. Thus these factors affect each other, either detracting(转移) or adding to the attractive forces to add or subtract from the magnitude of the tide. One thing is certain: the tides move inexorably(不可阻挡) on, rising twice a day, shifting a little in time each day, and coutinually posing the problem of how to correctly predict their highs and lows.
选项
A、the attraction of the sun and the moon
B、the sun, the moon and the wind
C、the changing tides
D、the factors affecting the tides
答案
D
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3667713.html
相关试题推荐
A—AssembleJ—MembershipB—CustomersatisfactionK—Placeord
A—AssembleJ—MembershipB—CustomersatisfactionK—Placeord
A—AssembleJ—MembershipB—CustomersatisfactionK—Placeord
Ifyou’vebeenthinkingaboutgivingupyourjob,herearetworeasonsyous
Ifyou’vebeenthinkingaboutgivingupyourjob,herearetworeasonsyous
Designingtheresumeforthebesteyeattractionisnotanunchangeablematte
A—LetterofCreditB—discountingC—internationaltransactions
A—LetterofCreditB—discountingC—internationaltransactions
A—LetterofCreditB—discountingC—internationaltransactions
A—LetterofCreditB—discountingC—internationaltransactions
随机试题
Therearetwotypesofpeopleintheworld.Althoughtheyhaveequaldegree
[originaltext]WhenisourmanagerleavingforNewYork?[/originaltext][audioFi
Thedepartmentheaddoesnotbelievethatthisistherightwaytodealwiththe
施工企业按照规定标准对采购的建筑材料进行一般性鉴定、检查发生的费用应计入( )
腹股沟管外环位于以下哪层组织上()A.腹横筋膜 B.腹横肌 C.腹内斜肌
在证券行业文化组织层建设中,会对证券公司的经营发展和工作人员的行为产生直接或间接
A.脂肪管型B.蜡样管型C.细胞管型D.颗粒管型E.透明管型提示肾实质病变
地西泮没有A.抗精神分裂作用 B.抗惊厥作用 C.中枢性肌松作用 D.抗焦
非感染性病人使用后的手术器械清洗去污应选用A.加酶洗涤剂浸泡擦洗B.超声清洗装置
国际债券的特征不包括()。A:存在汇率风险 B:资金来源广、发行规模大 C:
最新回复
(
0
)