下面关于G90与G94主要区别描述错误的是哪一个？ A、起始走刀方向不同 B、前者主要用于轴套类零件，后者用于……

未分类题假定2005年按同样的同比增长3％，那么2005年全年外汇各项存款比2003年增加近多少亿美元?D.100

单项选择题下列脉律的描述,哪项是正确的 A. 脉搏的节律可反映心脏的节律 B. 正常人的脉律一定规则 C. 脉搏短绌,最常见于期前收缩 D. 窦性心律不齐时出现脱落脉 E. 老年人常出现窦性心律不齐

单项选择题Which of the following narrations on English teaching langauge is incorrect? ()A. English teachers use English to organize teaching in classroom.B. English teaching language is a special language system mainly in oral form.C. English is just a means of work for English teachers.D. English is also a form of listening and speaking training for students.

未分类题It's actually surprising that not everyone has absolute pitch.A.LevitinB.deutschC.GregersenD.MarvinE.Freimer

未分类题According to Choe's hypothesis，A.the“I'm dead”chemical leaves the body of an ant when it dies．B.an ant still smells like a living one when it dies．C.an ant gives off a new chemical when it dies．D.the“I'm not dead yet”chemical leaves the body of an ant when it dies．