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
The exploitation of the power in the Sun’s rays is a form of alternative energy now showing new commercial promise. In the
The exploitation of the power in the Sun’s rays is a form of alternative energy now showing new commercial promise. In the
admin
2010-04-24
58
问题
The exploitation of the power in the Sun’s rays is a form of alternative energy now showing new commercial promise.
In the US, manufacturers have made important 【C1】______ in the development of the technology to bring down the cost of solar conversion systems 【C2】______ improving their reliability.
The direct conversion of solar 【C3】______ electrical energy, using photovoltaic cells 【C4】______ distinct advantages as an alternative energy option.
【C5】______ other forms of renewable energy, photovoltaic is based on modular solid state devices which can be mass 【C6】______ at a relatively low cost.
Here wafers of silicon—not dissimilar 【C7】______ ones which are turned into silicon chips— 【C8】______ an electric current when light falls upon them.
When built into panels or modules where each cell interconnects, the amount of electricity generated can be large enough to 【C9】______ a home or even a community.
Over the past 10 years, 【C10】______ extensive research and substantial Government and private industry funding, the price of photovoltaic modules has dropped 【C11】______ .
【C12】______ in 1973-74 the price per peak watt was between US $100 and $150, commercial prices for small array system now vary between $6.50 and $7 per watt.
This rapid price reduction has been accompanied by a 400 per cent jump in the 【C13】______ efficiency of photovoltaic modules.
【C14】______ solar cells are poor converters of sunlight to electricity. Early cells could only manage to mm about five per cent of the incident rays into electricity, but recent development have increased 【C15】______ to more than 10 percent.
【C4】
选项
A、suffer
B、reflect
C、overtake
D、offer
答案
D
解析
offer意为“提供,展示”。此处意为“显示出明显的优势”
转载请注明原文地址:https://jikaoti.com/ti/mFHMFFFM
0
专业英语四级
相关试题推荐
Modemadvertisingmentrytojustifywhattheydobytellingusoftheadvantagesofadvertising.Thus,itissaidthatadvertis
OncefoundalmostentirelyinthewesternUnitedStatesandillAsia,dinosaurfossilsarenowbeingdiscoveredonallsevencon
OncefoundalmostentirelyinthewesternUnitedStatesandillAsia,dinosaurfossilsarenowbeingdiscoveredonallsevencon
1 SendingachildtoschoolinEnglandisastepwhichmanyparentsdonotfindeasytotake.Intheory,atleast,theproblem
Writeacompositionofabout150wordsonthefollowingtopic:Everycollegestudentwouldagreethatlifeincollegeisnotthe
WhichofthefollowingisNOTlistedasterroristgroupbytheUS?
WhathasbeenhappeningtoKraft?
Nowanation’spoliticalinfluencedependson
FromachildIwasfondofreading,andallthelittlemoneythatcameintomyhandswaseverlaidoutinbooks.Pleasedwithth
Youmightthinkthatborrowingamatchuponthestreetisasimplething.Butanymanwhohasevertrieditwillassureyouthat
随机试题
医生诊断治疗越来越依赖于检查、化验所得的指标和数据,医生和患者的直接交流也因此减少,反映出医患关系出现
必须优先抢救的急症()
依据我国《母婴保健法》通过婚前医学检查提出的婚育医学意见不包括以下哪类疾病
正常机体中的无菌部位是
下列各项,不属薄荷功效的是
前囟的正确测量方法是
下列哪些说法是错误的?
新奥法施工的基本原则有()。
下列有关注册会计师在完成审计工作中的描述正确的是()。
下列国家的宪法是柔性宪法的有()
最新回复
(
0
)