She was paying attention to _____ TV.[ ]
A. watch
B. watching
C. watched
答案：B
糖化时间的测定过程中，糖化醪的温度达到（）时，开始记录时间。
A.30℃
B.40℃
C.70℃
D.100℃
APU起动机马达在何时关断（）？
A.7%RPM
B.50%RPM
C.75%RPM
D.95%RPM
