坐裆势两手掌心应（）。
A.朝上
B.朝外
C.朝内
D.朝下
E.相对
参考答案：D
雷雨季节，有些小孩害怕雷声，雷声的发声体是（ ）
A．乌云
B．空气
C．空气和乌云
D．以上都不是
Residents ________ not to go out alone or to take part in any groups during the period of recent terrorist activities.
A．were always being warned
B．are always warning
C．always warned
D．had always been warned
