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【单选题】
一平板玻璃(n=1.60)上有一油滴 (n=1.35)展开成曲率半径很大的球冠,如 图所示。设球冠最高处为1μm。当用波 长 =540nm的单色光垂直照射时,在油膜 上方观察到的干涉条纹是:
A.
边缘为，中央为暗斑
B.
边缘为暗纹，中央为
C.
边缘为暗纹，中央为暗斑
D.
边缘为暗纹，中央为暗斑
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参考答案：
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【单选题】病人,男,59岁。右侧腹股沟斜疝,1小时前背重物时疝块突然增大、不能回纳,疝块紧张发硬伴疼痛和压痛。经手法复位成功,留院观察重点是
A.
呼吸、脉搏、血压
B.
疝块是否再次增大,不能回纳
C.
腹痛、腹膜刺激征
D.
恶心呕吐、腹胀、发热
E.
疝块部位红、肿、痛
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【单选题】Which of the following is NOT an imperative sentence? ______.
A.
Let me drive you home, shall I?
B.
You will mind your own business!
C.
Come and have dinner with us.
D.
I wish you could stay behind.
查看完整题目与答案
【单选题】下列属于稳定骨折的是（ ）
A.
嵌插骨折
B.
斜形骨折
C.
螺旋形骨折
D.
粉碎性骨折
查看完整题目与答案
【单选题】The following information may not be required to be communicated to a distressed craft?
A.
Own vessel speed and ETA to distressed craft
B.
Own vessels identity, call sign, name and position
C.
Distressed crafts true bearing and distance from ship
D.
Rescue award if successful
查看完整题目与答案
【多选题】试乘试驾的目标是( )
A.
让顾客对产品有切身的感性的体验
B.
通过试乘试驾建立顾客对产品的信心，激发顾客的购买欲望
C.
通过试乘试驾收集更多的顾客资料，便于促进销售
D.
以上都不是
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【单选题】Of the following sentences, which has a dangling modifer?
A.
To get ready for the trip, she put all the things she needed into a suitecase.
B.
To get ready for the trip, all the things she needed were put into a suitecase.
C.
Get ready for the trip, she put all the things she needed into a suitecase.
D.
Get ready for the trip, all the things she needed were put into a suitecase.
查看完整题目与答案
【简答题】Which of the following strategies for oil exploration is described in paragraph 4? 62. D. I.R E. C.T I.O N.S: A. N. I. N.TRO D.U C.TORY S E. N.T E. N. C. E. F.OR A. B.R I. E. F. SU M. M.A.RY O F. T H....
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【单选题】Which of the following is NOT true?
A.
The alligator is the largest reptile in North America.
B.
 The white-tailed deer can jump as high as 2.6metres.
C.
 Six kinds of animals are mentioned in the passage.
D.
The wild turkey died out about 1000 years.
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【单选题】Which of the following statement about the algorithm is wrong: ( )
A.
The algorithm must ultimately be implemented by a computer program
B.
The algorithm used to solve a problem has the same meaning as the program written for that problem
C.
The feasibility of the algorithm means that the instruction cannot be ambiguous
D.
All the above statements are incorrect
查看完整题目与答案
【单选题】Which of the following sentences is INCORRECT?
A.
All his lectures are very interesting.
B.
Half their savings were gone.
C.
Many his friends came to the party.
D.
Both his sisters are nurses.
查看完整题目与答案
相关题目：
【单选题】病人,男,59岁。右侧腹股沟斜疝,1小时前背重物时疝块突然增大、不能回纳,疝块紧张发硬伴疼痛和压痛。经手法复位成功,留院观察重点是
A.
呼吸、脉搏、血压
B.
疝块是否再次增大,不能回纳
C.
腹痛、腹膜刺激征
D.
恶心呕吐、腹胀、发热
E.
疝块部位红、肿、痛
查看完整题目与答案
【单选题】Which of the following is NOT an imperative sentence? ______.
A.
Let me drive you home, shall I?
B.
You will mind your own business!
C.
Come and have dinner with us.
D.
I wish you could stay behind.
查看完整题目与答案
【单选题】下列属于稳定骨折的是（ ）
A.
嵌插骨折
B.
斜形骨折
C.
螺旋形骨折
D.
粉碎性骨折
查看完整题目与答案
【单选题】The following information may not be required to be communicated to a distressed craft?
A.
Own vessel speed and ETA to distressed craft
B.
Own vessels identity, call sign, name and position
C.
Distressed crafts true bearing and distance from ship
D.
Rescue award if successful
查看完整题目与答案
【多选题】试乘试驾的目标是( )
A.
让顾客对产品有切身的感性的体验
B.
通过试乘试驾建立顾客对产品的信心，激发顾客的购买欲望
C.
通过试乘试驾收集更多的顾客资料，便于促进销售
D.
以上都不是
查看完整题目与答案
【单选题】Of the following sentences, which has a dangling modifer?
A.
To get ready for the trip, she put all the things she needed into a suitecase.
B.
To get ready for the trip, all the things she needed were put into a suitecase.
C.
Get ready for the trip, she put all the things she needed into a suitecase.
D.
Get ready for the trip, all the things she needed were put into a suitecase.
查看完整题目与答案
【简答题】Which of the following strategies for oil exploration is described in paragraph 4? 62. D. I.R E. C.T I.O N.S: A. N. I. N.TRO D.U C.TORY S E. N.T E. N. C. E. F.OR A. B.R I. E. F. SU M. M.A.RY O F. T H....
查看完整题目与答案
【单选题】Which of the following is NOT true?
A.
The alligator is the largest reptile in North America.
B.
 The white-tailed deer can jump as high as 2.6metres.
C.
 Six kinds of animals are mentioned in the passage.
D.
The wild turkey died out about 1000 years.
查看完整题目与答案
【单选题】Which of the following statement about the algorithm is wrong: ( )
A.
The algorithm must ultimately be implemented by a computer program
B.
The algorithm used to solve a problem has the same meaning as the program written for that problem
C.
The feasibility of the algorithm means that the instruction cannot be ambiguous
D.
All the above statements are incorrect
查看完整题目与答案
【单选题】Which of the following sentences is INCORRECT?
A.
All his lectures are very interesting.
B.
Half their savings were gone.
C.
Many his friends came to the party.
D.
Both his sisters are nurses.
查看完整题目与答案
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