We can not be too careful in doing such experiment.意思是我们在做这个实验过程中不可能做到十分小心谨慎。( )
查看答案
The beaker should be cleaned before it is used. 用动名词短语取代时间从句或简化时间陈述句,应为:The beaker should be cleaned before it used. ( )
In 1924, de Broglie, who believed in a unified creation of universe, introduced the idea that electrons should also possess wave properties. 句子中使用who,that引出定语从句。( )
翻译过程中通常采用哪两种翻译方法 ( )
A. 直译法和意译法;B 词译法和段译法;C 通译法和全译法;D 抽象法和直观法
下列不属于Advanced imaging techniques at nano scale的表征设备是( )
A. TEM
B. AFM
C. Light microscopy