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【单选题】
箱式变电所的变压器和开关柜采用( )形式。A.
敞开；
B.
半封闭；
C.
全密封。
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举一反三
【简答题】Why were there many leaning towers in medieval Europe?
【单选题】手机与音叉的位置保持不变。利用手机软件测出音叉发出的声音从 5 0 dB 变为 3 0 dB ,说明音叉 在 振动 过程中 ( )
A.
振幅变大
B.
振幅变小
C.
频率变大
D.
频率变小
【简答题】某批发企业收到中旺商场退回不合格商品批,价税合计40元,经申请开出红字增值税专用发票并办理退款;商品验收入库。
【单选题】In our textbook, there is a story of a Chinese American architect who designed a War Monument in the United States. Why were many Americans first confused by the monument?
A.
The monument was built to be appreciated in a high contact way requiring visitors to walk through the space and interact with it.
B.
The monument was a garden and not a monument.
C.
The monument was built to be appreciated in a low contact way requiring visitors to view the monument from afar.
D.
The monument was unattractive because it had too many smells that make Americans uncomfortable and emotional.
【简答题】translate english into chinese with “怎么那么”Why were there so many homework yesterday?昨天的作业（ ）？
【单选题】如图,手机与音叉的位置保持不变,利用手机软件测出音叉发出的声音从30dB变为50dB。说明音叉振动的 ( )
A.
振幅变大
B.
音调变高
C.
频率变大
D.
音色改变
【单选题】Why were there hundreds of mourners in the Australian city of Newcastle who gathered to mourn the death of twenty people killed in bombings last year?
A.
Because Newcastle is the home of three of the victims.
B.
Because these people died in Newcastle last year.
C.
Because four Islamist fighters have been found guilty of involvement in the bombings in Newcastle.
D.
Because Newcastle is the city where there are many friends and relatives of the victims.
【单选题】---Why do you come back so late? ---Because there were too many people in the supermarket, and I had to _____to pay for the things.
A.
wait in line
B.
cut in line
C.
stand up
D.
speak loudly
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