听力原文：Compared to a meat-centered diet, meatless meals can easily supply all the essential nutrients our body requires, and cost only 20% to 30% as much.
(30)
A diet with meat only is not enough for our body.
B. A diet with vegetables can sometimes be very costly.
C. Meatless meals are equally nutritious and less expensive.
D. Meatless meals cannot provide all the essential nutrients.
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A．Because they had driven for a long time.B．Because they had booked for another time.C
A. Because they had driven for a long time.
Because they had booked for another time.
C. Because they had planned to have their supper first.
D. Because they had found a better place to stay in.
A．Consult the waiter about the dish in question.B．Tell everyone that you have certain
A. Consult the waiter about the dish in question.
B. Tell everyone that you have certain dietary restrictions.
C. Write beforehand to say that you don't care for some dishes.
D. Keep quiet and pretend that you enjoy the food.
听力原文：We are a new and growing firm in the area. And we're willing to do our best to attract customers away from our competitors with more favorable terms.
(29)
A. We cannot compete with our rivals, since we have just started our business here.
B. We want to have more customers, so we're ready to make more favourable offers.
C. We are unable to provide the best service here, because we do not have enough competitive advantage.
D. We plan to merge our competitors in this area, as we are growing and have more customers.
A．The unanswered questions during the lectures.B．The discussion with the serious profe
A. The unanswered questions during the lectures.
B. The discussion with the serious professors.
C. The results of his final examinations.
D. The low marks he had scored during the term.
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