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【单选题】
平行双曲柄机构,其连杆上任意点的运动轨迹为( )。A.
平行的直线
B.
任意曲线
C.
同心的圆
D.
. 不同心的圆
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反馈参考答案：
举一反三
【单选题】He must _____ his sister with her math. [ ]
A.
try help
B.
trying to help
C.
trys to help
D.
try to help
【单选题】He is always _______ his excellent spoken English; while his sister takes _______ her beauty.
A.
proud of; pride of
B.
proud in, pride in
C.
proud in; pride of
D.
proud of; pride in
【单选题】Your web application uses a simple architecture in which servlets handle requests and then forward to aJSP using a request dispatcher. You need to pass information calculated by the servlet to the JSP...
A.
Store the data in a public instance variable in the servlet.
B.
Add an attribute to the request object before using the request dispatcher.
C.
Add an attribute to the context object before using the request dispatcher.
D.
This CANNOT be done as the tag handler has no means to extract this data.
【简答题】He squeezed his sister too and gave her agentle push.
【简答题】内部融资的成本主要是机会成本和直接的财务成本。( )
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