在下列企业中,应当设置安全生产管理机构或者配备专职安全生产管理人员的是()。
A. 矿山
B. 建筑施工单位 危险物品的经营单位
C. 从业人数超过300人的消防单位
D. 交通运输单位
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In simutaneous interpreting, the interpreter has to interpret what the speaker says ________ as the speaker is giving the speech.
There should be no waiting time between the interpretation and the receipt of what is being said. A ________ is allowed to process the words of the speaker
The interpreter converts the speech in the source language into the required _______, just like a written translation.
有供应商表vendors(vid, vname),其中vid是供应商编号,vname是供应商姓名;产品表products(pid,vid,price),其中pid是产品编号,price是价格;查询产品的供应商名,产品名,产品价格。SQL语句的内容是( )。
A. select vname,pname,pricefrom vendors,productsinner join vendors.vid=products.vid
B. select vname,pname,price from vendorsinner join products where vendors.vid=products.vid
C. select vname,pname,price from vendorsinner join products on vendors.vid=products.vid
D. select vname,pname,price from vendors,products