白护卫(white squire)

1、White smoke exhausting from a diesel e

White smoke exhausting from a diesel engine can be caused by （）Alow combustion temperatureBa leaking fuel nozzle check valveClate fuel injectionDplugged oil-scraper ring hole

2、An orange and white buoy indicating a

An orange and white buoy indicating a vessel-exclusion area will be marked with what symbol? （）AOpen-faced diamondBDiamond with a crossCCircleDSquare

3、27 Mrs.White showed her students some

27 Mrs.White showed her students some old maps from the library．AA to borrowBB to be borrowedCC borrowedDD borrowing

4、White检验法

White检验法

5、White infarct and red infarct

White infarct and red infarct

6、Brides usually wear white wedding dres

Brides usually wear white wedding dresses，because white______ purity．Astands forBstands outCstands upDstands by