运行中磷酸酯抗燃油水解后,导致油的酸值升高,会引起油系统金属部件的腐蚀,严重的水解会使油发生变质,直接危及电液调节系统的安全运行()
参考答案:对
运行中磷酸酯抗燃油水解后,导致油的酸值升高,会引起油系统金属部件的腐蚀,严重的水解会使油发生变质,直接危及电液调节系统的安全运行()
参考答案:对
完形填空 | |||
A businesswoman got into a taxi in midtown. As it was the rush hour and she was in a __1__ to | |||
( )1. A. hurry ( )2. A. chose ( )3. A. jokingly ( )4. A. supposed ( )5. A. apologizing ( )6. A. reasonable ( )7. A. road ( )8. A. strange ( )9. A. across ( )10. A. Surprised ( )11. A. rider ( )12. A. until ( )13. A. satisfied ( )14. A. give up ( )15. A. combine ( )16. A. and ( )17. A. lying ( )18. A. problem ( )19. A. fact ( )20. A. agree | B. rush B. made B. angrily B. expected B. driving B. thoughtful B. mind B. wrong B. in B. Worried B. speaker B. after B. concerned B. turn down B. destroy B. that B. resulting B. importance B. meaning B. argue | C. moment C. found C. anxiously C. meant C. asking C. normal C. direction C. terrible C. through C. Annoyed C. helper C. because C. crowded C. stick to C. suffer C. but C. setting C. key C. expression C. explain | D. way D. suggested D. curiously D. decided D. shouting D. practical D. manner D. stupid D. along D. Disappointed D. comer D. since D. faced D. point out D. divide D. though D. leading D. reply D. truth D. escape |