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【单选题】
彩色多普勒血流显像滤波器的主要功能是A.
增加频谱多普勒的幅度
B.
滤除高速血流
C.
滤除低速血流及低频噪音
D.
提高穿透力
E.
对峰值流速及压差测值影响甚大
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】请将以下句子翻译成汉语:Cultural Adaptation refers to the socialization process by which individuals in foreign countries adopt the values, customs, norms, attitudes, and behaviors of the dominant host culture.
【单选题】Using illegal drugs can lead to health problems,and it can be stain on one’s life. [ ]
A.
/;the
B.
the;the
C.
the;a
D.
/;a
【单选题】We can infer from the passage that _________.
A.
the company producing these drugs are going to pull from the market all their products.
B.
customers don't know the results of the trail.
C.
doctors are strongly against using these drugs on their patients.
D.
researchers are worried about the adverse events of these drugs.
【简答题】请将以下句子翻译成汉语:The goal of his philosophy was to have people think for themselves, and to improve themselves by emulating exemplars of moral righteousness.
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