空气呼吸器使用前气瓶压力不能低于15Mpa。()
参考答案:错
---- If I don’t get some money from my parents by Friday, could I borrow some from you?
---- ________. But can I know why?
A.Never mind
B.Not at all
C.By no means
D.By all means
动画速写把()作为重要课题,着重分析形象的动态视觉图式。
A、夸张变形
B、线条训练
C、研究运动规律
D、造型设计