风洞实验过程中能否摘下实验段转窗调整模型角度或探针位置（）
A、能
B、不能
参考答案：B
简述JD—IA型计算机联锁系统联锁机人工倒机的方法。
-- What was Jim wearing at the party?
-- Nothing ________. He was in his usual shirt and jeans.
A．special
B．simple
C．important
D．interesting
