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【简答题】
集电极开路门的英文缩写为门。（注意大小写）
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反馈参考答案：
举一反三
【判断题】Intel 8088, the first microprocessor to make home computers possible, a complete 8-bit computer on one chip, was introduced in 1974.
A.
正确
B.
错误
【单选题】What was the first microprocessor to make it into a home computer? When was it introduced?
A.
Intel 4004, 1971
B.
Intel 8088, 1979
C.
Intel 8080, 1974
D.
Intel 8080, 1970
【多选题】客观规律与自觉能动性是辩证统一的,下列表述正确的是(,)。
A.
尊重客观规律是正确发挥自觉能动性的基础和前提
B.
发挥自觉能动性是认识和利用客观规律的必要条件
C.
人有了自觉能动性,就能带来幸福生活
D.
世界是人的主观意识的产物
【单选题】Switch off hold ventilation in case of shipping seas
A.
Turn off hold ventilation while at sea
B.
Turn off hold ventilation for air exhaust
C.
Turn off hold ventilation against shipping seas
D.
Turn off hold ventilation for shipping seas
【简答题】设有关系 R ,按条件 f 对关系 R 进行选择,正确的是 。
【单选题】A teacher showed students an example and explained the usage of past perfect tense， and asked students to list ten 'past perfect tense' sentences by imitating that example. What‘s the teacher‘ s gramm...
A.
Consolidation.
B.
Presentation.
C.
Deduction.
D.
Induction.
【多选题】.选择CO作为加氢反应抑制剂是因为〔 )。
A.
CO不易被催化剂活性中心吸附
B.
CO较乙烯更易被催化剂活性中心吸附
C.
O较乙炔更易被催化剂活性中心吸附
D.
催化剂活性中心吸附CO的难易程度介于乙炔和乙烯之间
【简答题】Questions 1 to 10 are based on the following passage. (填大写字母即可) The elephant sanctuary in Hohenwald, Tennessee was built by Carol and Scott, who have seen enough abuse and 1 at circuses and zoos. It i...
【单选题】The first microprocessor to make it into a home computer was the Intel______.
A.
4004
B.
8080
C.
80286
D.
80386
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