单选题:0ne special feature of Crystal Ear is that

  • 题目分类:卫生类
  • 题目类型:单选题
  • 号外号外:注册会员即送体验阅读点!
题目内容:
0ne special feature of Crystal Ear is that A.youcan control its volum
B.youneedn’t take it off every da
C.it issolar-powere
D.itsaves powe
参考答案:
答案解析:

操作技能培训的要求。

操作技能培训的要求。

查看答案

下列哪些因素可以影响示范的有效性( )。

下列哪些因素可以影响示范的有效性( )。A.示范的场合 B.示范者的身份 C.示范的准确性 D.示范的时机

查看答案

合乎法则的熟练技能具有的特性有( )。

合乎法则的熟练技能具有的特性有( )。A.流畅性 B.迅速性 C.经济性 D.同时性 E.适应性

查看答案

For urban areas this approach was wholly inadequate.(  )

For urban areas this approach was wholly inadequate.(  )A.really B.basically C.f

查看答案

The girl is gazing at herself in the mirror.(  )

The girl is gazing at herself in the mirror.(  )A.staring B.laughing C.shouting

查看答案