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【单选题】
非正弦交流电的有效值等于( )。A.
各次谐波有效值之和的平均值
B.
各次谐波有效值平方和的平方根
C.
各次谐波有效值之和的平方根
D.
一个周期内的平均值乘以1.11
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【简答题】5080里面有5个______和8个______．
【简答题】______里面有5个千和8个一．
【单选题】听力原文：M: What do you usually do on Sundays? W: I usually go to church in the morning and work in the garden in the afternoon, while in the evening, I prefer to read the paper on the sofa. What does the...
A.
Go to church,
B.
Rest all day.
C.
Work in the garden.
D.
Read the paper.
【简答题】2 1 3 里面有______个 1 3 ，______个 1 9 是1. 5 12 里面有5个______， 7 12 比 5 12 多______个 1 12 ．
【单选题】听力原文：W: What do you usually do on Sunday? M: I go to church in the morning, work in the garden in What does he usually do on Sunday evening?
A.
Go to church.
B.
Rest all day.
C.
Work in the garden.
D.
Read the paper.
【单选题】______ , and members of the congregation having returned, this church too will start out with ______ effort in the work that lies before them, which will be taken up by the different departments.
A.
The summer vacation is over great
B.
The summer vacation being over renewed
C.
As the summer vacation over refreshing
D.
Had the summer vacation been over sacred
【简答题】W hat is the procedure for a church wedding ceremony ?
【单选题】听力原文：W: What do you usually do on Sunday? M: I go to church in the morning, work in the garden in the afternoon and read the paper in the evening. I don't like to rest all day and do nothing. What doe...
A.
Go to church.
B.
Rest all day.
C.
Work in the garden.
D.
Read the paper.
【简答题】30里面有5个( ); 24里面有( )个6。
【单选题】听力原文：W: The tour guide warned us not to get close to the old church. M: Sure, you can see it is falling down. Q: What does the woman mean? (14)
A.
The church wasn't there.
B.
She could see the church.
C.
The tour guide was wrong.
D.
The tour guide was right.
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