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【单选题】
我国的OA工程发展经历不包括下列哪一阶段（）A.
抓硬件环境阶段
B.
抓软件阶段
C.
解决安全保密问题
D.
各政务信息网上运行实现OA辅助决策功能
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举一反三
【单选题】Read the text slowly _______ you may understand the story better.
A.
and
B.
for
C.
since
D.
because
【简答题】哈尔滨市是我国各大城市中冬季气温最低,素有“ ”之称。
【简答题】Which of the following is true according to the text? [ A] The 2006 incidence occurred because of the carelessness of a supervisor. [ B ] Yellow liquids in a glove box should always be handled with he...
【单选题】Drive train system _____ the parts from the back of the flywheel to the wheels.
A.
is
B.
causes
C.
called
D.
consists of
【简答题】哈尔滨市有 __________ 之称。
【单选题】________ converts the reciprocating motion of the pistons into a rotary motion for the drive wheels.
A.
Crankshaft
B.
camshaft
C.
flywheel
D.
timing belt
【简答题】哈尔滨市素有“冰城”之称,市内有许多欧式建筑,因此又有“ ”之称。
【单选题】由OD异或门和 OD与非门构成的电路如图所示,则输出与输入的逻辑关系式为________。
A.
L=AB'+A'BC'
B.
L=AB'C'+A'BC
C.
L=AB'+A'BC
D.
L=A'B+AB'C'
【简答题】Transmission systems ― conveys the drive to the wheels. The main components are clutch,gearbox, driveshaft, final drive, and differential.
【简答题】____有“传导之官”之称，膀胱有____之称。
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