搜题请搜索小程序“爱下问搜题”
问题 选择题

中国确定2009年世界环境日主题是“减少污染--行动起来”．下列说法或做法中错误的是（　　）

A．为减轻温室效应，应开发利用可再生能源，全面禁止化石燃料使用

B．为减少“白色污染”，应回收废弃塑料、使用新型可降解塑料

C．为减轻酸雨危害，应对燃煤脱硫处理、对汽车尾气净化

D．为减少汞等重金属对地下水和土壤的污染，应对废旧电池回收利用

答案

A、现在的能源结构主要是化石能源，不能禁止煤、石油和天然气这些燃料的使用，故A错误；

B、塑料制品易造成白色污染，为减少“白色污染”，应回收废弃塑料、使用新型可降解塑料，故B正确；

C、酸雨的形成主要是因为二氧化硫，二氧化硫主要来自含化石燃料的燃烧，为减轻二氧化硫对空气的危害，应对燃煤脱硫处理、对汽车尾气净化，故C正确；

D、废弃电池中的汞等重金属对地下水和土壤的污染，所以废旧电池应回收利用，故D正确．

故选A

填空题

精气神三者是构成（），维持生命活力，（）的重要物质。
查看答案
阅读理解

C
Post a Job Ad - Ideal for Casual Advertisers
REGISTER NOW AND POST A JOB AD
All Job Advertisements are reviewed and uploaded usually within 24 hours
●Standard Job Advertisement $65.00 + GST=" " $71.50
●Premium Job Advertisement $80.00 + GST =$88.00
No additional costs for all the features below.
Standard Job Ad Features:
- Active for 30 days
- Include your company LOGO
- Update or Edit live ads online anytime (review process applies)
- Access stats of your job ad (Views & Online Applications)
- Unlimited text to describe your vacancy (able to insert html links - very useful if you want candidate to apply using your own online application on your corporate website )
- Able to copy and paste your active job ad from other job sites including logo and layout.
PremiumJob Ad Features:
- All the features of a standard Job Ad
- Displayed on top of the main job search page with highlighted colors also within the standard job ads in its highlighted format
For any questions contact us
REGISTER NOW AND POST A JOB AD
Subscription Packages -Ideal for Regular Advertisers

REGISTER NOW AND SUBSCRIBE
All Subscription packages are valid(有效的) for 12 months
●Gold Package$2,000.00 + GST （goods and service tax）=$2,200.00
●Platinum Package$5,000.00 + GST =$5,500.00
Subscription features:
- Browse Resume Data base
- Basic Application Manager
Gold Package includes:
- 12 Premium Job Ads
- 24 Standard Job Ads
Platinum Package includes:
- 36 Premium Job Ads
- 72 Standard Job Ads
Note: Included job ads valid for 12 months. Un-used job ads are deleted. No refunds（退款） or partial refunds upon purchase of a subscription package. To purchase, register and go to the
 
"Resumes Section and select Subscriptions.
 
For any questions contact us
REGISTER NOW AND SUBSCRIBE
63．The GST of a Premium Job Advertisement is ___________.
A. $71.50           B. $ 88        C. $8             D.$6.50
64.  Once you get registered, if you want to update your Standard Job Advertisement online, you will ________.
A. not have to pay additional money     B. pay double GST   
C. have to pay money for it            D. pay twice as much
65.  The advertisements are for ____________.
A. casual advertisers                B. regular advertisers
C. only companies                   D. casual and regular advertisers
66.  If you want to post about 12 Premium Job advertisements within a year, you’d better choose_________ to save money.
A. Standard Job Advertisement        B. Premium Job Advertisement
C. Gold Package                    D. Platinum Package
查看答案