CRH1动车组采用（）个避雷器，以提高避雷可靠性。
A.1个
B.2个
C.3个
D.3个
参考答案：B
短期融资券、中期票据筹资的优点主要有______。
A．融资成本低
B．发行门槛较低
C．能提高企业信誉和提升企业形象
D．便利快捷
E．期限短
To impose computer technology () teachers is to create an environment that is not conducive to learning.
A. with
B. to
C. in
D. on
