工作简报、动态简报都属于长期性简报，而会议简报属于临时性简报。( )
参考答案：对
. For miles around us there was nothing but a desert, without a single plant or tree ______.
A．in the distance
B．at a distance
C．in sight
D．out of sight
牵引自动变速箱车辆时注意事项正确的有（）
A.将变速杆移入位置D
B.牵引车速不得超过80km/h
C.牵引距离不得超过50km
D.通过牵引起动汽车
