CRH1A型动车组的空调系统处于测试模式中,HVAC机组以()负荷运转(此时温度传感器无效)。
A.30%
B.50%
C.80%
D.100%
参考答案:D
— Sorry, Tom. I took your book_______ mine by mistake.
— It doesn’t matter. Yours looks _______mine.
A.instead; different from
B.instead of ; the same as
C.instead of ; same as
D.instead ; like
You can't ()your children ()evil forever.
A.separate;from
B.keep;out of
C.insulate;from
D.distract;from