高分子商品在储存或使用过程中,由于不同环境因素的影响,因而不同商品老化的特征也是不一样的。以下不属于橡胶老化现象的是()。
A. 变硬;
B. 起泡;
C. 无光泽;
D. 裂缝。
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根据《道路运输从业人员管理规定》,超越从业资格证件核定范围,驾驶道路客货运输车辆的,由县级以上()责令改正,处200元以上2000元以下的罚款。
A. 公安机关
B. 安全监督部门
C. 道路运输管理机构
请在第__(62)__处填上正确答案。根据材料,完成下面的题目。 Public Relations Public relations is a broad set of planned communications about the company, including publicity releases,designed to promote goodwill and a favorable image. Publicity then is part of public relations when it is initiated by the firm, usually in the51of press releases or press conferences. Since public relations involves communications with stockholders, financial analysts, government officials, and other noncustomer groups, it is usually.52outside the marketing department, perhaps as a staff department or outside consulting firm reporting to top management. Thisorganizational placement can be a 53 because the public relations department or consultant will likely not be in line with marketing efforts. Poor communication and no coordination can be the54. Although the basic purpose of public relations is to provide positive influence55 the public image, this influence generally maybe less than 56 provided by the other components of the public image mix. Publicity nay be in the form of news releases that have57overtones for the company initiate by the public relations department. Publicity on the other 58 should not be divorced from the marketing department,as it can 59 a useful adjunct( 辅助 ) to the regular advertising. 60 , not all publicity is initiated by the firm; some can 61from an unfavorable press as a reaction to certain actions or lack of 62that are controversial or even downright ill-advertised.The 63we wish to emphasize is that a firm is deluding( 自欺 ) itself if it thinks its public relations function,whether within the company or an outside firm, can take 64 of public image and opportunities. Many of these have to do with the way the 65 does business, such as its product quality, the servicing and handling of complaints, etc.请在第__(51)__处填上正确答案。
A. activities
B. actions
C. performances
D. relations
在《城市道路绿化规划与设计规范》中规定,规划道路红线宽度时,红线宽度在40~50m的道路绿地率不得小于()。
A. 40%
B. 30%
C. 25%
D. 20%