单选题：It is implied in the third paragraph that

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题目内容：
It is implied in the third paragraph that A．most computer criminals who are caught blame their bad luck
B．the rapid increase of computer crimes is a troublesome problem
C．most computer criminals are smart enough to cover up their crimes
D．many more computer crimes go undetected than are discovered

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答案解析：

The ancient Egyptian statues were normally made of stone, w

The ancient Egyptian statues were normally made of stone, wood, or metal.

分类：英语四级  题型：单选题
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男，28岁。发作性喘息5年，因受凉后再发一天急诊入院，查体：端坐呼吸，口唇发绀，双肺广泛哮鸣音，心率125 次／分。该患

男，28岁。发作性喘息5年，因受凉后再发一天急诊入院，查体：端坐呼吸，口唇发绀，双肺广泛哮鸣音，心率125 次／分。该患者最可能的诊断是A．自发性气胸 B．肺血

分类：英语四级  题型：单选题
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支气管哮喘的本质是

支气管哮喘的本质是A．一种自身免疫性疾病 B．气道慢性炎症 C．支气管平滑肌可逆性痉挛 D．支气管平滑肌内β2受体功能低下 E．肥大细胞膜上M胆碱能受体功能亢进

分类：英语四级  题型：单选题
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