【简答题】举例大连商品交易所工业品种和农业品种各一个并指出交易单位。
【判断题】炉前燃油系统因检修需要动火时,运行人员只要做好安全措施,不需办理动火工作票。
【单选题】— I don't know _____ now. — He is much better today. [ ]
【单选题】听力原文:M: I met Sam on the street today. W: Really? Did he say something about his sister? M: Yes. She ought to be leaving New York very soon, because her husband has taken a job in Los Angeles. What do...
A.
His sister will leave for New York.
B.
His sister will leave for Los Angeles.
C.
He will leave New York.
【单选题】利用Proquest central数据库,在科学与技术领域下,使用高级检索,检索2012年标题中含有短语”无线通信”(wireless communication)且提供全文的文献一共有( )篇。
【简答题】阅读理解 Today, we complete our story about the influential English writer William Shakespeare. He wrote plays and poems during the late fifth and early sixth centuries, which remain very popular ...
【简答题】阅读理解 Today, we complete our story about the influential English writer William Shakespeare. He wrote plays and poems during the late fifth and early sixth centuries, which remain very popular ...