机动车之所以能对外作功，四行程发动机的旋转行程是不可缺少的。（）
参考答案：错
Fifty-three thousand shouting enthusiasts filled the stadium; they had come to watch the first game of the season and to cheer the home team.
A．enthusiasts filled the stadium to come
B．enthusiasts, filling the stadium, had come
C．enthusiasts filled the stadium; and had come
D．enthusiasts filling the stadium, who had come
以下不适宜作为咨询对象的特征是( )。
A．人格正常B．动机正确C．行动自觉D．智力偏低
