The object of the both-to-blame collision clause is（）. ["to free the carrying ship from liability","to free the non-carrying ship from liability","to free the ship in the wrong from liability","to free the ship not to blame from liability"]
在压裂中，一般在高闭合压力下，深层选用（）支撑剂。 ["大粒径","密度小","小粒径","强度低"]
A gate valve installed in a pipeline should be （）. ["used in either the fully dosed or fully opened position","installed with the stem down","used for steam service only","used to throttle or regulate the flow of liquid"]
所谓可行即（）。 ["给对方一扇门","给双方一扇门","给对方一扇窗","给双方一扇窗"]
在“设置图片格式”对话框中，显示了几种环绕方式（）。 ["4","5","6","7"]
举止被视作什么？
