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【多选题】
我们要树立远大的职业理想,是因为()A.
只有树立了远大的职业理想，自己的职业生涯做好准备。
B.
职业理想可以确定人生发展目标
C.
确定职业目标，树立远大的职业目标，是个人的事，与其他各种因素无关
D.
职业理想是职业选择的向导。
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举一反三
【单选题】What is the function of the epiglottis?
A.
It keeps food/liquid out of the lower airway
B.
It is part of the filter for air in the nasal cavity
C.
It produces sound for speaking
D.
It measures the amount of CO2 in the blood
【单选题】What is the function of the rods?
A.
To fix the cylinder covers and the liners together.
B.
To support the cylinder.
C.
To secure the bedplate, frames and cylinder blocks together,
D.
To stiffen the foundation of the engine.
【简答题】What is the function of the crankshaft?
【单选题】What is the function of the cecum ?
A.
promote peristalsis（蠕动） of the bowel
B.
prevent the backflow of food
C.
breath
D.
digest the food
【简答题】What is the function of the governor?
【单选题】What is the function of the epididymis?
A.
Produces sperm
B.
Stores sperm and facilitates their maturation
C.
Stores sperm and produces seminal fluid
D.
Carries semen out through the penis
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