内墙涂料必须符合《室内装饰装修材料内墙涂料中有害物质限量》GB18582国家标准的要求。
参考答案:对
There is only one ticket, _____ you _____ he can go to see the film. [ ]
A. both, and
B. neither, nor
C. either, or
D. not only, but also
在全色谱电缆中,B线的循环色按顺序是()
A.蓝、绿、橙、棕、灰;
B.绿、蓝、棕、灰、橙;
C.橙、绿、蓝、棕、灰;
D.蓝、橙、绿、棕、灰。