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【单选题】
从提高效率降低开发成本的角度出发，汽车工程师一直在试图通过（ ）来描述汽车的控制问题，并在计算机上一步完成控制算法的开发。A.
动态模型
B.
静态模型
C.
理论模型
D.
参数模型
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【简答题】单项选择。 Mary likes ___on Sundays. [ ] a. shopping b. going shopping c. to go shopping d. all the above
【单选题】As some experts say, shopping by television will never take ________ place of shopping in stores, because many people find shopping at a store is ________ great enjoyment. [ ]
A.
/; a
B.
the; a
C.
a; the
D.
a; /
【简答题】There is a kind of shopping that is called compulsive（强迫性的） shopping. Compulsive shopping is usually described as out of control and not reasonable. How can we know whether we are one of compulsive sh...
【单选题】She sometimes _____ in the city. [ ]
A.
goes shopping
B.
shop
C.
is shopping
D.
do shopping
【单选题】Sometimes my dad _______ in the shopping centre. [ ]
A.
is shop
B.
shops
C.
shopping
D.
is shopping
【单选题】Would you like ______ with me? [ ]
A.
to go shopping
B.
go shopping
C.
to shopping
D.
going to shop
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