问题
单项选择题
MAN B&W ME系列电控柴油机的操纵系统与MC系列传统柴油机相比，变化之一是前者（）。
A.取消空气分配器和主起动阀
B.取消主、辅起动阀
C.每个缸都有一个电子控制单元CCU
D.取消盘车机连锁
答案
参考答案：C
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MAN B&W ME系列电控柴油机的操纵系统与MC系列传统柴油机相比，变化之一是前者（）。
A.取消空气分配器和主起动阀
B.取消主、辅起动阀
C.每个缸都有一个电子控制单元CCU
D.取消盘车机连锁
参考答案：C
Tom is a middle school student. He is studying in Grade 7. He usually 1 at 7:00 o’clock in the morning. 2 today he gets up at 6:30 and goes to buy a big cake. After that he helps his grandparents clean their room, because it is his ___3 birthday. His grandpa is going to be 78 years old. Tom 4 two CDs about Beijing Opera(京剧)___5 his grandpa. He is sure his grandpa would like 6 very much, because his grandpa likes listening to Beijing Opera. When Tom 7 home at noon, his mother is making noodles with his grandma. They are laughing and talking about something happily. His grandpa is drinking tea 8 listening to Beijing Opera. Tom says, “Happy birthday to you, Grandpa!” Then he cuts the big cake and gives grandpa a 9 piece. Grandpa is very happy and eats it. In the evening, Tom watches TV with his grandparents together. He is a little__ 10 but very happy, because he can make his grandparents happy.
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