单项选择题

Pendulums are used to regulate motion in some scientific equipments.

A．laboratories
B．measurements
C．apparatuses
D．experiments
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单项选择题
Manufacturers spend millions of dollars on advertising to entice people to buy their products.
A．entertain
B．encounter
C．tempt
D．force
单项选择题
The painter Les Quinones, whose graffiti art has been exhibited in New York galleries, has also painted outdoor murals in various Manhattan neighborhoods.
A．sold
B．shown
C．kept
D．praised
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