What ________ the safe working load of the derrick?

A．is

B．be

C．are

D．has

[单选题]What does the proof test load of an anchor chain demonstrate?（）A . Breaking strength of the chainB . Strength of the chain to a specified limitC . Adequate holding power for new bottom conditionsD . Safe working load of the chai

[单选题]Mary: What are you working on? Susan: I'm doing some embroidery. Mary: ______ Susan: I don't do very much, just for very special occasions.A．I didn't know you did needlework.B．I think you have done a good job.C．Where did you learn to do needlework

[单选题]It just isn’t fair I was working as a waiter last month; my friends were lying on the beach. .A． whenever B. though C. for D. while

[试题]It just isn’t fair I was working as a waiter last month, my friends were lying on the beach.. A whenever B though C for D while

[试题]What are the essential deliverables of the data quality portion of ETL?E．TL项目中的数据质量部分核心的交付物有那些？

[试题]B．ooks are to mankind what memory is to the individual. They contain the history of our race, the discoveries we have made, the accumulated knowledge and experience of ages．They picture for us the marvels and beauties of nature, help us out of difficu

[单选题]What happened to George and Richard in the end?A． Both George and Richard became millionaires.B． Both of them realized their original ambitions.C． George established a successful business while Richard was missing.D． Richard became a millionaire whil

[单选题]What was the normal price of the T-shirt?A．$15B．$30.C．$50.

[单选题]What was the normal price of the T-shirt?A． ＄15B． ＄30C． ＄50

[单选题]What was the normal price of the T-shirt?A．$15B． $30C． $50