问题
单项选择题
喷油量的控制,是由()控制喷油开始和终了,使喷油泵腔和低压系接通或切断进行控制的。
A.电磁阀
B.传感器
C.电控单元(ECU)
D.时间控制器
答案
参考答案:A
喷油量的控制,是由()控制喷油开始和终了,使喷油泵腔和低压系接通或切断进行控制的。
A.电磁阀
B.传感器
C.电控单元(ECU)
D.时间控制器
参考答案:A
完形填空。 | ||||
Mr Smith goes to work early every day. He 1 the bus at 7. On the bus a woman and her little boy 2 beside him. Suddenly the boy begins to cry (哭). 3 mother does her best to make him 4 crying. But 5 wouldn't stop crying. At last Mr Smith 6 to them and says, "Oh, how hard that boy 7 crying! Why not 8 him what he is asking for?" "I would if I could." answers the mother quietly. "He 9 your hat." | ||||
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