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【单选题】
下面关于三相电路的描述错误的是?A.
三相交流电源振幅相等，相位互差120度
B.
星型联接有中性点
C.
角型联接有中性点
D.
角型联接的电源需要收尾相连
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举一反三
【单选题】听力原文：M: I have been wanting a free vacation by car for a long time. W: So you are to travel by car. Q: What is the man's plan? (8)
A.
To have a meeting.
B.
To travel by car.
C.
To go to the movies.
D.
To want a car.
【简答题】III类切口
【简答题】In America, _____ car is _____ popular meansof transportation. A. thea B. a the C. the the D. the/
【简答题】III类切口
【单选题】--- What has happened here? --- There was ______ accident here about an hour ago. ______ car hit a tree and ______ driver was killed.
A.
an; A; the
B.
the; A；the
C.
an; The; a
D.
the; The; a
【单选题】Jammie could hardly wait to _________ hisnew car , which he had been dreaming of for ten years. [ ]
A.
try on
B.
try out
C.
try for
D.
try out for
【单选题】张三写了一个创建数据数据表的PHP程序,第一次运行没有错误提示并且成功地建立了数据表,于是张三没有做任何其他操作,直接再次运行,系统却报错,可能的原因是
A.
数据表不存在
B.
数据表重名
C.
有语法错误
D.
有逻辑错误
【简答题】III类切口
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