With the rapid development of petroleum industry, more and more oil products of high quality are being turned out.
以下哪种情况不能视作为船舶的保安薄弱环节?
经国务院批准的周期性普查项目,其中每隔5年进行一次的是()。
Xiao Ling works very hard. She ______ by the teachers.
----- What about the pen you bought yesterday?
-----It ____________ well.I like it very much .
A new plane is going to ______ by us.
《1966年国际载重线公约》不适用下列哪些船舶?()。①军舰;②长度小于24m的新船;③小于150总吨的现有船舶;④非营业性游艇、渔船。
虽然生产者在制造产品时已尽到一切可能的注意,但仍因产品存在缺陷使消费者受到损失。在这种情况下()。
下述哪种疾病,不是常见的心身疾病()
胸部 X线表现为:肺部小片浸润影、小脓肿、肺大泡或脓胸。最可能的诊断是()