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【单选题】
本国生产甲、乙、丙、产品的单位劳动投入分别为 1 、 2 、 4 、 15 ,外国生产这四种产品的单位劳动投入分别是 12 、 18 、 24 、 30 ,根据模型,本国拥有最大比较优势和最大比较劣势的产品分别是A.
丁、甲
B.
丙、乙
C.
甲、丁
D.
乙、丁
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举一反三
【简答题】构成机构的要素是 和 ;构件是机构中的 单元体,而零件是机器中的 单元体。
【单选题】听力原文：W: Hi, Burt. I heard you're looking for a new job. How is it going? M: I just had an interview yesterday. I think I did well. The director seemed to like me. They said they would make a decision ...
A.
He will probably fail.
B.
The chance is half-and-half.
C.
He will probably get the job.
D.
He is not satisfied with the offer.
【单选题】Jenny suggested our going on an outing to the countryside next weekend, but the rest didn’t sound very _________ about the idea.
A.
anxious
B.
enthusiastic
C.
cautious
D.
secure
【单选题】- Perhaps you don't believe it. I just had a close call. ( )
A.
What happened?
B.
Who called you?
C.
Was it from your close friend?
【单选题】Jenny suggested______ with parents before making the decision.
A.
discuss
B.
discussing
C.
discussion
【单选题】听力原文：W: Can you help me? The battery is dead. M: I'll be right with you. W: I just had it fixed. I can't understand why it happened again. What does the woman mean?
A.
She can't wait for service.
B.
She loves her car dearly.
C.
She's annoyed with the frequent breakdown.
D.
She'll have to change the battery herself.
【简答题】构件是机构中的 单元体。
【简答题】构件是机构中的 单元体，而零件是机器中的 单元体。
【单选题】Jenny suggested our going on an outing to the countryside next weekend, but the rest didn’t sound very _________ about the idea.
A.
enthusiastic
B.
cautious
C.
anxious
D.
secure
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