一端直锚的连梁和暗梁，如何确定梁长？
参考答案：一端支座宽度加净跨度加锚固长度。
The news gave us a false sense of _______ so that we failed to see the danger was coming. [ ]
A. security
B. authority
C. responsibility
D. variety
服装面料在保管时，场地应（）、（）、喷洒（）。
