[单选题]雨季来临前,应对模板支架、起重设备、临时工程的基础采取必要的安全技术措施,防止地基软化而导致( )或失稳。
A.沉降
B.升高
C.表面粗糙

When it comes to getting ahead, experts say, the ABCs of business should include a P, for politics, as in office politics.
Dale Carnegie{{U}} (26) {{/U}}as much more than 50 years ago: Hard work alone doesn’t{{U}} (27) {{/U}}career advancement. You have to be able to sell yourself and your ideas, both publicly and behind the scenes. Yet, despite the obvious{{U}} (28) {{/U}}of engaging in office politics, a better job, a raise, praise, many people are still unable or{{U}} (29) {{/U}}to play the game. People{{U}} (30) {{/U}}that office politics involves some manipulative behavior. But politics{{U}} (31) {{/U}}from the word "polite". It can mean lobbying and forming associations. It can mean being kind and helpful, or even trying to please your{{U}} (32) {{/U}}, and then expecting something in return.
In fact, today, experts define office politics as proper{{U}} (33) {{/U}}used to pursue one’s own self-interest in the