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【判断题】
双踪示波器中 “自动扫描电路”的作用是不管在有无触发信号时,扫描发生器都能产生自激扫描。( )
A.
正确
B.
错误
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举一反三
【多选题】Which of the following statements are in line with the Household Contract Responsibility System?
A.
The farmers have the right to use the land but not the right to sell it.
B.
The farmers don’t need to pay tax.
C.
The farmers can decide on whether they sell their produce or not after paying the tax.
D.
It has realized the principle of “to each according to their work”.
【多选题】Lesen Sie bitte die folgenden Sätze in indirekter Rede. Erklären Sie bitte, was der Konjunktiv I im Satz (1) und Konjunktiv II im Satz (2) andeuten. Wählen Sie die Richtigen aus. Beispiel: Walter sag...
A.
Der Konjunktiv I im Satz (1) zeigt, dass der Sprecher die indirekte Aussage für neutral hält.
B.
Der Konjunktiv I im Satz (1) zeigt, dass der Sprecher die indirekte Aussage für zweifelhaft hält.
C.
Der Konjunktiv I I im Satz (2) zeigt, dass der Sprecher die indirekte Aussage für neutral hält.
D.
Der Konjunktiv I I im Satz (2) zeigt, dass der Sprecher die indirekte Aussage für zweifelhaft hält.
【单选题】在数据管理技术发展过程中,数据独立性最高的阶段是( )。
A.
人工管理阶段
B.
文件系统阶段
C.
数据处理阶段
D.
数据库系统阶段
【单选题】Which one is not the significance of household contract responsibility system?
A.
It has liberated the rural productivity and motivated peasants to work harder.
B.
It helped to separate a large amount of rural labor force from land cultivation.
C.
It helped peasants to change into commodity producers and managers.
D.
It was affected by the foreign large-scaled agricultural production mode.
【单选题】车床的种类很多,目前在机械加工中应用最广的是
A.
卧式车床
B.
立式车床
C.
自动车床
D.
数控车床
【判断题】钎焊一般用在车身立柱和门槛板连接处
A.
正确
B.
错误
【简答题】典型的液力变矩器由哪三个元件组成:泵轮、 、导轮
【判断题】钎焊一般用在车身立柱和门槛板连接处的焊接。
A.
正确
B.
错误
【单选题】Which one is not the significance of household contract responsibility system?
A.
It has liberated the rural productivity and motivated peasants to work harder. liberated the rural productivity and motivated peasants to work harder. It has liberated the rural productivity and motivated peasants to work harder.
B.
It helped to separate a large amount of rural labor force from land cultivation. It helped to separate a large amount of rural labor force from land cultivation.
C.
It helped peasants to change into commodity producers and managers.
D.
It was affected by the foreign large-scaled agricultural production mode It was affected by the foreign large-scaled agricultural production mode.
【单选题】车床的种类很多,目前在机械加工中应用最广的是( )。
A.
自动车床
B.
数控车床
C.
车削中心
D.
卧式车床
E.
立式车床
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