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【单选题】
将漏斗向上或向下移动一段距离后停止,若开始时漏斗液面有变化而后保持不变,说明A.
装置不漏气
B.
装置漏气
C.
装置刚开始漏气，后来不漏气
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【单选题】What did they do during the vacation mentioned in the conversation?
A.
They visited the man's parents.
B.
They went to the beach.
C.
They worked in a supermarket.
D.
They stayed at school.
【简答题】The phrase“they do the chewin9”makes the rocks seem as though they are ．
【简答题】Last Monday we asked our students about how often they do the housework in Beishan Middle School. Here are the results. Most students do the housework twice or three times a week. They often clean the...
【单选题】需要分段开挖及浇筑砼护壁,且施工设备简单,对现场周围原有建筑的影响小,下列施工质量可靠的灌注桩指的是( )。
A.
钻孔灌注桩 ；
B.
沉管灌注桩 ；
C.
人工挖孔灌注桩 ；
D.
爆扩灌注桩 。
【单选题】What do the brides parents do nowadays at the marriage ceremony?
A.
They provide the bride with a dowry.
B.
They untie the bride's shoes.
C.
They beautify the bride with gold and silver.
D.
They decorate the bride's shoes.
【简答题】图为蓖麻种子,其中1为( ),2为( )。
【简答题】A．They do not mention the nurse shortage to the students. B．They ask the government to raise the payment. C．They only introduce the highly paid work to students. D．They persuade the students not to be...
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