All inflatable liferafts have（）.

They all have them.A. allB. everyC. anyD. each

[单选题]A．lmost all（ ）have built-in digital cameras capable of taking images and video.A．scannersB．smart phonesC．computersD．printers

[单选题]All human beings have a comfortable选择A．llhumanbeingshaveacomfortablezoneregulatingthe______theykeepfromsomeonetheytalkwith.A．)distanceB)scopeC)rangeD)boundary

[单选题]All three systems have the ports （） to swirl the incoming air and direct it in the appropriate path.A . angledB . roundedC . being angledD . being rounded

[单选题]The lifeboats and liferafts were（）with the provisions of the regulations annexed to the Convention.A . put on boardB . installedC . fittedD . equipped

[单选题]The knife on an inflatable liferaft will always be located（）.A . in one of the equipment bagsB . in a special pocket near the forward entranceC . on a cord hanging from the canopyD . in a pocket on the first aid kit

[单选题]All ______ they have done is good for us all. We should understand them.A.w

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

[单选题]They all agreedthat the changes that have taken place are [substantial].A.s

[主观题]Of all the work you have done, where have you been the most successful对于你所做过的所有工作，你认为哪项工作你做得最成功？