If you need a new boiler (锅炉), make sure you buy one of the best boiler brands. The first question you should ask yourself if you want the most energy-efficient boiler is what type of boiler you should buy. All modern boilers that you can buy are condensing (冷凝式)boilers, which are much more efficient than traditional non-condensing boilers. According to a study, you could save as much as 340 pounds a year on your gas bill if you're trading in an oldstyle non-condensing boiler for a new condensing one. According to the passage, people pay more than half of their energy bills for _______.

If you need a new boiler(锅炉),make sure you buy one of the best boiler brands.The

[单选题]If you need a transfusion, the best and safest blood for you is______.A． type ABB． exactly the same type as yoursC． a mixture of salt, plasma and type OD． type A

[单选题]I think that he has ( ) about boiler design to tell you.A.Anything importan

[单选题]______one you choose, I am sure you will enjoy it.A.WhateverB.WhichC.ThatD.

[问答题]I'll go with you and make sure you understand it.

[单选题]The CDs are on sale! Buy one and you get completely free.A． other B. others C. one D. ones

[单选题]The CDs are on sale! Buy one and you get （ ） completely free.ks5u ks5uA. other B. others C. one D. ones

[主观题]If you could make one constructive suggestion to your last (or present) CEO, what would it be?如果你有机会向你的前任（或现任）总裁提一个建设性的建议，你会提什么？

Choose the best answer. Bring a cake to work day! Make sure you bring a cake to

[单选题],you need to give all you have and try your best. A Being a winner B To be a winner C Be a winner D Having been a winner