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【单选题】
假定某国净贸易条件以1980年为基期100,1990年出口价格指数下降10%,为90;进口价格指数上升20%,为120,且该国的出口商品的劳动生产率从1980年的100提高到1990年的150,则该国家的单项因素贸易条件是( )。A.
50
B.
200
C.
72
D.
112.5
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举一反三
【简答题】测量误差按其性质可分为 : 、
【判断题】"To investigate, to improve, to study carefully, to decide to" is preferrable to "to make an investigation of, to make an improvement, to make a careful study, to make a decision" in writing.
A.
正确
B.
错误
【单选题】治疗犬化脓性骨膜炎时,不宜采取的措施是(2017 真题31)
A.
酒精热绷带
B.
10%醋酸铅冷敷
C.
0.5%普鲁卡因青霉素封闭
D.
红外线照射
E.
切开引流
【简答题】测量误差按其性质可分为哪几类?各有何特征?实际测量中对各类误差的处理原则是什么?
【简答题】According to the survey requirements in Chapter 1.2.2, your team may design an interview protocol to investigate the relationship between "language acquisition" and "language learning", and list some ...
【单选题】She hired a lawyer to investigate, only to learn that Gabriel had removed her name from the deed. The infinitive verb phrase "only to learn" is used .
A.
to express an intended purpose
B.
to indicate a high degree of possibility
C.
to reveal an undesirable consequence
D.
to dramatize a stated fact
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