单项选择题

We can infer from the passage that in licensing new drugs the FDA in the United States is ______.

A．very quick
B．very cautious
C．very slow
D．rather careless

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单项选择题

In case an electronic shopper bought faulty goods from a foreign country, what could he do in the present circumstance

A．Refuse to pay for the purchase.
B．Go to the seller and ask for a refund.
C．Appeal to consumer protection law.
D．Complain about it via electronic mail.

单项选择题

If a customer buys something that does not meet his expectation, what is the advantage of dealing through electronic commerce over the present normal one

A．It will be easier for him to return the goods he is not satisfied with.
B．It will be easier for him to get back the refund from the seller.
C．It will be easier for him to get his complaints heard by the seller.
D．It will be easier for him to complain about this to the seller.

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