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【单选题】
电力系统中衡量供电质量的重要指标是（）。A.
电压和电流
B.
电压和容量
C.
电流和频率
D.
电压和频率
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】阅读理解。 At this moment in different places of the world people are doing different things In Beijing it's early morning. People are sleeping. In London people are leaving work to go home. They are waiti...
【单选题】Which order is correct by the price of each city according to the passage? ①Hongkong ②Beijing ③Tokyo ④New York
A.
④②③①
B.
①②③④
C.
①③④②
D.
③④②①
【简答题】根据答句写问句。 1. ？ I went swimming on my holiday. 2. ？ I read a book yesterday. 3. ？ Sarah went to Beijing by train. 4. ？ I am 160 cm tall. 5. ？ Yes, I went to the library yesterday.
【单选题】The leaders of the rival Cambodian factions will meet again ______ to continue their Beijing talks.
A.
Friday
B.
Sunday
C.
Wednesday
【单选题】选项中,哪一句的说法是错误的?()
A.
线程是比进程还要小的运行单位
B.
Thread类位于java.lang包下
C.
run()方法用于启动线程
D.
CPU使用时间片轮转的工作方式，可以让多个程序轮流占用CPU，达到同时运行的效果
【单选题】Which of the following sentences is CORRECT?
A.
What do you say that the population of Beijing is?
B.
How many people do you think to stay here?
C.
Who do you guess is singing?
D.
What do you tell that is?
【单选题】在“帮助”中,可以使用“搜索”选项卡进行搜索,下面的哪一种说法是错误的
A.
可以以大写或小写形式键入要搜索的内容,搜索不区分大小写
B.
可搜索字母( a-z)和数字( 0-9)的任意组合
C.
可以使用标点符号(如句号、冒号、分号、连字符和单引号)
D.
可以用引号或括号将每个元素分开,以便将搜索元素分组
【简答题】绘制组合体必须进行形体分析,形体分析先要做什么?
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