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【单选题】
某年世界货物出口贸易额为 3.1 万亿美元,进口贸易额为 3.2 万亿美元,该年国际货物贸易额为A.
6.3 万亿美元
B.
0.1 万亿美元
C.
3.1 万亿美元
D.
3.2 万亿美元
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【单选题】a fire, hotel guests are asked to remain calm.
A.
As a result of
B.
In the event of
C.
By reason of
D.
In the time of
【单选题】听力原文： A fire at Singapore's Hotel Hilton International on Saturday morning injured, d 16 people, a civil defense spokesman said. 'Fifteen people, including some hotel guests and staff, mostly sufferin...
A.
Sunday night
B.
Sunday morning
C.
Saturday night
D.
Saturday morning
【简答题】The Security Department of Jinling Hotel is going to hold a fire drill on Wednesday ( December 12)from 10 a.m. to 12 noon in the Main Building. Please write a notice to inform the staff and the guests...
【多选题】进行实验调查法的单一实验组设计也叫单组前后测实验设计，就是只选择一批实验对象作为实验组，而不设对照组，通过实验活动前后实验对象的变化来得出实验结论。它的操作模式是（）
A.
选择对象
B.
前测
C.
实验激发
D.
后测
E.
得出实验结论
【单选题】The fire started from the hall of the hotel, many of _____ guests were having dinner in the restaurant on the second floor.
A.
its
B.
which
C.
whose
D.
whom
【单选题】测量外尺寸时,应先使游标卡尺量爪间距略大于被测工件的尺寸,再使工件与固定量爪贴合,然后使活动量爪与被测工件表面接触,稍微游动一下活动量爪,找出( )尺寸。
A.
平均
B.
合适
C.
最小
D.
最大
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