皮皮学，免费搜题
登录
搜题
【单选题】
信息的保密性是指A.
信息不被他人所接收
B.
信息内容不被指定一位的人所知悉
C.
信息不被篡改
D.
信息在传递过程中不被中转
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
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
【简答题】20年代初期,新文学倡导者与封建保守派展开激烈论争,其中,林纾创作小说《 》《 》,借以讽刺新文学干将们。
【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】By 'a chair rocker on the front perch', the writer refers to a person who ______.
A.
sits on a rocking chair and enjoys life.
B.
is paralyzed and cannot move
C.
has lost the will to struggle against difficulties in life.
D.
never leaves his home.
【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
【单选题】Replacing a revolute pair with a sliding pair, a crank-rocker mechanism can be evolved into a ( ).
A.
double crank mechanism
B.
double rocker mechanism
C.
Slider-crank mechanism
D.
guider-bar mechanism
【简答题】英译汉: rocker arm
相关题目：
参考解析：
知识点：
题目纠错 0
发布
