铣床进给箱快进和工作进给的互锁性能不可靠，会造成正常进给时突然跑（）速的故障。
A、较快
B、快
C、较慢
D、慢
参考答案：B
请根据句意、中文提示或英语释义写单词。
小题1:Musical training can make you smarter, (尤其) when you start at a young age.
小题2:Li Minhao’s ________(到达) made the fans scream excitedly.
小题3:The real purpose of study is to ____________(make better) your abilities.
小题4:The CD-ROM helps you learn English by testing your _____(information and understanding in the mind) of English grammar.
小题5:As we know, is the second month of a year.
现代教育技术的方法论基础是（ ）。
A．学习理论
B．教学理论
C．传播理论
D．系统科学
