The experiment is carried cut to prove ______.

A． water pushes on your body when you swim underwater.

B． the earth is surrounded by a layer of air called the atmosphere.

C． the pressure of air around us has a powerful force.

D． the air pressure is not equalized around us.

[单选题]The gudgeon pin is carried in （） in the piston skirt.A . the bearingB . the crossheadC . bossesD . bridge

[单选题]—______are you trying to prove to the police?—Where I was last night.A． WhatB． WhyC． HowD． When

[单选题]all inspections are carried （　）conscientiously to the best of our knowledge and ability.A . inB . toC . outD . away

[单选题]The cooling of the piston is carried out by circulating （） across the underside of the crown and inside the ring belt or through specially shaped passages.A . sea waterB . scavenging airC . lubricating oilD . fuel oil

[单选题]H．e is determined to prove his innocence, __________he has to go to the highest court of the country.A． even soB． even nowC． even asD． even if

[主观题]In order to prove that you would be a valuable problem solver for the employer, you need to write on your résumé about the details on how you solved a problem and what wanted consequences your solution brought about.()

[单选题]The experiment ______ the discovery of a cure for cancer.A． happened toB． led upC． resulted inD． set up

[单选题]A．surveywascarriedoutonthedeathrateofnew-bornbabiesinthatregion,________weresurprising.A．)asresultsB)whichresultsC)theresultsofitD)theresultsofwhich

[单选题]Where are（危险货）___carried on board?A．dangerous goodsB．safe goodsC．A or BD．A+B

[单选题]The researchshould prove [invaluable] the study of linguistics.A.uselessB.p