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【单选题】
化合物【图片】可能的立方异构体的数目是？A.
3
B.
4
C.
6
D.
5
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皮皮学刷刷变学霸
举一反三
【单选题】His daughter is _________ girl.
A.
a eight-year-old
B.
an eight-year-old
C.
an eight-years-old
D.
a eight years old
【单选题】The crankshaft and connecting rod converts energy into energy used to drive the vehicle.
A.
mechanical, thermal
B.
mechanical, kinetic
C.
thermal, mechanical
D.
kinetic, mechanical
【单选题】The power mechanism is to covert _____energy into mechanical energy used to drive the vehicle.
A.
power
B.
mechanical
C.
thermal
D.
magnetic
【单选题】The _ __ is the source of power that provides the torque or turning force which is used to drive the vehicle.
A.
engine
B.
cylinder
C.
bore
D.
crankshaft
【单选题】a. 超速行驶 b. 在药物（或酒精）影响下开车 c. 肇事逃逸事故① to drive under the influence ② to exceed the speed limit ③ to drive the vehicle safely and courteously ④ inflammable or explosive articles ⑤ to occupy emer...
A.
② - ④ - ⑤
B.
⑤ - ③ - ④
C.
②- ①- ⑥
D.
① ③ ⑥
【判断题】Whoever has drunka little alcohol or taken psychotropic drugs controlledby the State, may be allowed to drive a motor vehicle.
A.
正确
B.
错误
【单选题】The crankshaft and connecting rod convert_____ energy into _____ energy used to drive the vehicle.
A.
thermal, mechanical
B.
mechanical, thermal
C.
kinetic, mechanical
D.
mechanical, kinetic
【单选题】The crankshaft and connecting rod converts energy into energy used to drive the vehicle.
A.
thermal, mechanical
B.
mechanical, thermal
C.
kinetic, mechanical
D.
mechanical, kinetic
【单选题】To drive a vehicle backwards you have to put it in ______gear.
A.
adverse
B.
diverse
C.
reverse
D.
traverse
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