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The author refers to a "conveyor belt"(L. 6, Para. 1) in order to ______.

A. illustrate the effects of movements in the upper layer of the earth
B. show how temperature differences depend on the positions of the continents
C. describe the complicated motions made possible by the ocean currents
D. account for the rising currents under min-ocean ridges

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抑制血管紧张素I转化酶发挥降压作用的药物是

A. 氢氯噻嗪
B. 硝苯地平
C. 哌唑嗪
D. 卡托普利
E. 可乐定

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Which of the following does the author seem to prefer

A. That the earth behaves as a liquid result in many great oceans.
B. The temperature of the sinking plate is lower than its surrounding.
C. The traditional view of the origin of the ocean basin is thoroughly wrong.
D. Neither the African nor the American plate moves according to the alternative theory.

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维生素K不能用于治疗

A. 凝血因子Ⅱ、Ⅶ、Ⅸ、Ⅹ缺乏所致的出血
B. 早产儿和新生儿出血
C. 阻塞性黄疸引起的出血
D. 水杨酸类药物过量所致的出血
E. 低凝血酶原所致出血

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公约，指一定范围或行业的社会组织和成员(国家、集体、社会成员或他们的代表)，在自觉自愿的基础上，经过充分酝酿、讨论、协商而制定的共同遵守的协议。下列不属于公约的一项是( )。

A. 每天到公园晨读的人协商一致，达成一项约定，大家互相监督遵守
B. 全国商业企业联合开展百城万店无假货活动，提出不卖假货的约定
C. 1982年联合国通过的《海洋法公约》
D. 《中华人民共和国合伙企业法》

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The author refers to a "conveyor belt"(L. 6, Para. 1) in order to ______.

A. illustrate the effects of movements in the upper layer of the earth B. show how temperature differences depend on the positions of the continents C. describe the complicated motions made possible by the ocean currents D. account for the rising currents under min-ocean ridges

抑制血管紧张素I转化酶发挥降压作用的药物是

Which of the following does the author seem to prefer

维生素K不能用于治疗

公约，指一定范围或行业的社会组织和成员(国家、集体、社会成员或他们的代表)，在自觉自愿的基础上，经过充分酝酿、讨论、协商而制定的共同遵守的协议。下列不属于公约的一项是( )。

A. illustrate the effects of movements in the upper layer of the earth
B. show how temperature differences depend on the positions of the continents
C. describe the complicated motions made possible by the ocean currents
D. account for the rising currents under min-ocean ridges