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【单选题】
下列()类不是常见的集成电路的封装形式.A.
单列直插式
B.
直插式
C.
三列直插式
D.
阵列式
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皮皮学刷刷变学霸
举一反三
【单选题】People used to think that ______.
A.
car accidents are mainly caused by some drivers who drive so carelessly that they break the traffic regulations
B.
car accidents are mainly caused by ordinary drivers when they are careless or absent-minded for a moment
C.
insurance companies support those who drive carelessly
D.
an accident is something we cannot predict to avoid
【单选题】主要经肾脏排泄的药物或活性代谢产物易在体内蓄积，是由于 老年人用药时
A.
胆汁分泌缺乏
B.
肾功能随年龄增长而减退
C.
肝药酶活性的个体化差异影响大于年龄的增长
D.
脂肪组织随年龄增长而增加，血浆白蛋白浓度降低
E.
肝血流量减少，功能性肝细胞数量减少，肝微粒体酶系活性降低
【简答题】There are little cars that may some day take the place of today’s automobiles(汽车). If everyone drives such a little car in the future, there will be less pollution in the air, there will be more parki...
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