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【判断题】
三相异步电动机为典型的三相对称负载,线圈的额定电压为 220V ,在三相电路中可采用△形接法。
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】下列选项中不属于检索各国专利文献途径的是()
A.
专利权人索引
B.
国际专利分类索引
C.
轮排主题索引
D.
专利号索引
【单选题】听力原文: China on Tuesday expressed its regret over the EU's recent failure to foot its pledge of lifting its arms sales ban to China. Chinese Foreign Ministry spokesman Liu Jianchao made the remarks at ...
A.
The EU would develop a strategic partnership with China
B.
The EU had decided to lift the arms ban later this year.
C.
The EU would try to resolve the trade dispute with China quickly.
D.
The EU promised to intensify dialogue in all areas.
【判断题】中国最大的实际就是处于社会主义初级阶段
A.
正确
B.
错误
【单选题】听力原文: China on Tuesday expressed its regret over the EU' s recent failure to foot its pledge of lifting its arms sales ban to China. Chinese Foreign Ministry spokesman Liu Jianchao made the remarks at...
A.
the EU would develop a strategic partnership with China
B.
the EU had decided to lift the arms ban later this year
C.
the EU would try to resolve the trade dispute with China quickly
D.
the EU promised to intensify dialogue in all areas
【单选题】—Can you come on Monday or Tuesday? —I'm afraid ______ day is possible. I'm as busy as a bee this week. [     ]
A.
either
B.
neither
C.
each
D.
one
【单选题】Only in this way _____ study English well.
A.
can we
B.
we can
C.
do we
D.
we do
【单选题】行书日常使用最多为几行行书
A.
六行
B.
八行
C.
四行
D.
七行
【多选题】下列属于专利检索途径的是 ( )
A.
专利名称
B.
代理人
C.
专利权人
D.
申请日/申请号
【单选题】Only in this way ______ this difficult math problem.
A.
we can solve
B.
can we solve
C.
do we solve
D.
we will solve
【判断题】发电机运转时,可以用试火的方法检查发电机是否发电。
A.
正确
B.
错误
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