单项选择题

A．Because he was a great inventor.
B．Because he knew a lot about techniques.
C．Because he talked about the product itself simply.
D．Because he emphasized the advantages of using a new product.
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单项选择题
A．She gets it from the library.B．She subscribes to it at the post office.C．She gets it at her office.D．She gets it from a book club.
A．She gets it from the library.
B．She subscribes to it at the post office.
C．She gets it at her office.
D．She gets it from a book club.
单项选择题
A．Calculators.B．Microwaves.C．Computers.D．Electroscopes (doctor’s instrument).
A．Calculators.
B．Microwaves.
C．Computers.
D．Electroscopes (doctor’s instrument).
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