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【单选题】
When you are buying your ticket at the ticket office, you may start like this.
A.
Excuse me, where can I buy the entrance tickets?
B.
I want to buy the entrance tickets.
C.
Take three tickets to me.
D.
Three tickets.
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【单选题】《民族成份登记管理办法》规定,公民的民族成份,只能依据()确认、登记。
A.
其父亲或者母亲的民族成份
B.
其父辈的民族成份
C.
其祖父母的民族成份
D.
其监护人的民族成份
【单选题】三相桥式全控整流电路,电阻性负载时,触发角α的移相范围为( )度。
A.
0~180 o
B.
0~150 o
C.
0~120 o
D.
0~90 o
【单选题】The purpose of the 'lightning speed' exercise is to______.
A.
increase your speed by scanning the text first
B.
test your maximum reading speed
C.
help you understand more of the content of the book
D.
enable you to win reading races against your friends
【简答题】Translate the following into Chinese Mo, as one of the most important elements in superalloy, dramatically affected the microstructure and mechanical properties via solution strengthening, forming Mo-...
【单选题】三相桥式全控整流电路,电阻性负载时,触发角α的移相范围为( )度。
A.
0~180°
B.
0~150 °
C.
0~120 °
D.
0~90 °
【多选题】在我国公民的民族成份,只能依据其父亲或者母亲的民族成份确认、登记,这里的父母指的是( )。
A.
生父母
B.
岳父母
C.
养父母
D.
继父母
E.
义父母
【简答题】三相桥式全控整流电路带电阻性负载,当触发角 度时,负载电流连续。
【单选题】三相桥式全控整流电路,电阻性负载时,触发角α的移相范围为( )。
A.
0~180°
B.
0~150 °
C.
0~120 °
D.
0~90 °
【单选题】Scientists created ultra fine films of specialized crystals by means of ______.
A.
a scanning probe microscope
B.
a nanoscale device
C.
a molecular beam epitaxy
D.
a super computer
【单选题】公民的民族成份,只能依据其()的民族成份确认、登记。
A.
父亲
B.
母亲
C.
父亲或者母亲
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