英译汉：“transit transportation”，正确的翻译为( )。
A．直接运输
B．间接运输
C．中转运输
D．联合运输
参考答案：C
This company was the first ___________ portable radios as well as cassette tape recorders in the world.[ ]
A. producing
B. to produce
C. having produced
D. produced
动力生产建设项目方面，通常不会采用的是( )。
A．BOO
B．BOT
C．BOOT
D．TOT
