【简答题】Luis: Ana Pedroso works for Silica, ________________ ? Chris: Yes, she works in the design department.2. Luis: Your company has customers in Brazil, ________________ ?Chris: Yes, Silica has a lot of c...
【简答题】Choose the best answer for each blank 1. She has to __________ her passport before a trip to South Africa since it will expire next month. A. revise B. retract C. review D. renew 2. As the only...
【单选题】The connected joints of pipe,usually made of three joints of pipe approximately 90 feet long,racked in the derrick when making a trip are called a().