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【单选题】
平均数等于 2600 ,离散系数是 30% ,则标准差为( )。
A.
780
B.
608400
C.
86.6
D.
78000
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【单选题】根据DOT，以下属于轻体力工作的是
A.
最大提举4.5kg和偶尔提举或运送
B.
最大提举9kg和经常提举和（或）运送4.5kg重的物体
C.
提举最大22.5kg和经常提举和（或）运送llkg重的物体
D.
是举最大45kg和经常提举和（或）运送22.5kg重的物体
E.
举物体重量超过45kg和经常提举和（或）运送22.5kg或以上重量的物体
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【判断题】一般五星级酒店餐具的损耗率按照营业额的 0. 5 %-0. 8 % 计算。
A.
正确
B.
错误
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【单选题】What can be inferred about the impact of digital technology on photojournalism?
A.
Photographers will control how their images can be used.
B.
It will be more difficult to distinguish edited photos from candid photos.
C.
The public will become less skeptical about the news.
D.
New laws will restrict the use of the digital equipment in the news.
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【单选题】How many do you have? [     ]
A.
crayon
B.
crayons
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【多选题】关于苯丙胺中毒的救治措施，叙述正确的是（）。
A.
酸化尿液以促进毒物排出
B.
控制中枢兴奋可选用地西泮或短效巴比妥类
C.
控制高血压可给予氯丙嗪
D.
显著高血压者可给予硝普钠治疗
E.
极度兴奋和躁狂者给予氟哌啶醇
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【单选题】目前流行的U盘使用的存储材料是
A.
磁性材料
B.
光源材料
C.
半导体材料 DUSB材料
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【单选题】What problem has the man had in taking pictures?
A.
He can’t find good subjects to photograph.
B.
His indoor shots are too dark.
C.
His pictures are often blurry.
D.
His camera is too big for good detail.
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【单选题】听力原文： You may remember that a few weeks ago we discussed the question of what photography is. Is it art or is it a method of reproducing images? Docs photography belong in museums or just in our homes...
A.
The influence of weather on Alfred Stieglitz' photography.
B.
Alfred Stieglitz' approach to photography.
C.
Photographic techniques common in the early 1900's.
D.
The life of Alfred Stieglitz.
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【单选题】— ? —Only ￡ 5．It is very cheap．
A.
What time is it
B.
How many do you want
C.
How much is the English book
D.
What’s wrong
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【单选题】听力原文： You may remember that a few weeks ago we discussed the question of what photography is. Is it art or is it a method of reproducing images? Does photography belong to a museum or just in our home...
A.
The definition of photography.
B.
Photography in the early 1900's.
C.
The life of Alfred Stieglitz.
D.
Alfred Stieglitz's approach to photography.
查看完整题目与答案
相关题目：
【单选题】根据DOT，以下属于轻体力工作的是
A.
最大提举4.5kg和偶尔提举或运送
B.
最大提举9kg和经常提举和（或）运送4.5kg重的物体
C.
提举最大22.5kg和经常提举和（或）运送llkg重的物体
D.
是举最大45kg和经常提举和（或）运送22.5kg重的物体
E.
举物体重量超过45kg和经常提举和（或）运送22.5kg或以上重量的物体
查看完整题目与答案
【判断题】一般五星级酒店餐具的损耗率按照营业额的 0. 5 %-0. 8 % 计算。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What can be inferred about the impact of digital technology on photojournalism?
A.
Photographers will control how their images can be used.
B.
It will be more difficult to distinguish edited photos from candid photos.
C.
The public will become less skeptical about the news.
D.
New laws will restrict the use of the digital equipment in the news.
查看完整题目与答案
【单选题】How many do you have? [     ]
A.
crayon
B.
crayons
查看完整题目与答案
【多选题】关于苯丙胺中毒的救治措施，叙述正确的是（）。
A.
酸化尿液以促进毒物排出
B.
控制中枢兴奋可选用地西泮或短效巴比妥类
C.
控制高血压可给予氯丙嗪
D.
显著高血压者可给予硝普钠治疗
E.
极度兴奋和躁狂者给予氟哌啶醇
查看完整题目与答案
【单选题】目前流行的U盘使用的存储材料是
A.
磁性材料
B.
光源材料
C.
半导体材料 DUSB材料
查看完整题目与答案
【单选题】What problem has the man had in taking pictures?
A.
He can’t find good subjects to photograph.
B.
His indoor shots are too dark.
C.
His pictures are often blurry.
D.
His camera is too big for good detail.
查看完整题目与答案
【单选题】听力原文： You may remember that a few weeks ago we discussed the question of what photography is. Is it art or is it a method of reproducing images? Docs photography belong in museums or just in our homes...
A.
The influence of weather on Alfred Stieglitz' photography.
B.
Alfred Stieglitz' approach to photography.
C.
Photographic techniques common in the early 1900's.
D.
The life of Alfred Stieglitz.
查看完整题目与答案
【单选题】— ? —Only ￡ 5．It is very cheap．
A.
What time is it
B.
How many do you want
C.
How much is the English book
D.
What’s wrong
查看完整题目与答案
【单选题】听力原文： You may remember that a few weeks ago we discussed the question of what photography is. Is it art or is it a method of reproducing images? Does photography belong to a museum or just in our home...
A.
The definition of photography.
B.
Photography in the early 1900's.
C.
The life of Alfred Stieglitz.
D.
Alfred Stieglitz's approach to photography.
查看完整题目与答案