机械性窒息的一般征象是：（）
A、颜面青紫
B、睑结膜下点状出血
C、“塔雕式”斑D、颜面苍白
E、尸斑出现晚且色淡
参考答案：B, C
“西安事变的和平解决，成为时局转变的关键。”这句话的主要含义是[ ]
A．国共由内战逐渐转向联合抗战
B．国民党政府由 * * 反人民转向代表广大人民的利益
C．国民党与 * * 党的矛盾消失
D．中国的抗日战争开始转入反攻阶段
Password is a secret series of (73) that enables a user to access a file, computer, or program. On multi-user systems, each user must enter his or her password before the computer will respond to (74) . The password helps ensure that (75) users do not access the computer. In addition, data files and programs may require a password.
A. symbolB. sign C. characters D. characteristic
