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【单选题】
If the theory behind an economic model fits the data poorly, you would probably want toA.
use the theory to predict what would happen if the economic setting or economic policies change.
B.
start from scratch with a new model.
C.
enrich the model with additional assumptions.
D.
restate the research question.
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【单选题】Read the text slowly _______ you may understand the story better.
A.
and
B.
for
C.
since
D.
because
【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】The function of ( ) is to change the reciprocating motion of the piston to a rotary motion to drive the wheels.
A.
crankshaft.
B.
camshaft
C.
drive shaft
D.
none of above
【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】____有“传导之官”之称，膀胱有____之称。
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