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【简答题】
的系统工程理论和方法对管理科学有重大创新，主要表现在()。 A系统工程适用范围更广 B系统工程丰富了“工程”概念 C系统工程的应用几乎遍及中国现代化建设的各个领域与各个方面，发挥了重大作用 D系统工程是科学转化为现实生产力的关键
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举一反三
【单选题】. 下列果菜中属于茄果类的是
A.
黄瓜
B.
西葫芦
C.
落苏
D.
四季豆
E.
：C
F.
4 . 属于竹子地下嫩茎的是
G.
莴笋
H.
茭笋
I.
冬笋
J.
芦笋 K. ：C L. 7 . 因香味过浓，配菜时需谨慎使用的食用菌是
【单选题】Camshafts are usually driven by timing gears or _____.
A.
push rods
B.
chain drives
C.
rocker arms
D.
flywheels
【单选题】The ________ is a metal rod that fits between the lifter and the rocker arm.
A.
timing gear
B.
cam lobe
C.
push rod
D.
rocker arm
【单选题】The ______ is a metal rod that fits between the lifer and the rocker arm.
A.
timing gear
B.
cam lobe
C.
Push rod
D.
Rocker arm
【单选题】The inventor of the rocker chair may not be able to launch the chair into the market because ______.
A.
he hasn't applied for the patent
B.
he himself can't make many chairs
C.
the rocker in the chair is protected by the patent
D.
the rocker chair has not been proved to be safe
【简答题】英译汉: rocker arm
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