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【单选题】
结兴奋快速传导至房室交界,是通过A.
氏纤维
B.
优势传导通路
C.
D.
自律性心肌
E.
以上均不对
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【单选题】A car is made up of more than 30,000parts. Each part in a new car is as weak as a baby. So a new car requires proper care and servicing. If you’re unfamiliar with the parts, you have to read through t...
A.
The last paragraph tells us that the purpose of carefully servicing a car is ______. to let you sell your car at a good price
B.
to extend its life and ensure safety
C.
to reduce the cost of car servicing
D.
to make the car run faster
【单选题】A car is made up of more than 30,000parts. Each part in a new car is as weak as a baby. So a new car requires proper care and servicing. If you’re unfamiliar with the parts, you have to read through t...
A.
It is recommended to have the cooling system checked when ________. you buy a new car
B.
summer is coming
C.
the engine oil is replaced
D.
the brakes are out of order
【简答题】下图为汽车的结构组成示意图，简述其四个基本部分的作用及组成。
【简答题】汽车的四个基本部分
【简答题】汽车的四个基本组成部分分别是什么?
【简答题】A car is made up of more than 30000 parts. Each part in a new car is as weak as a baby. So a new car requires proper care and servicing. If you're unfamiliar with the parts, you have to read through t...
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