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【单选题】
根管治疗过程中发生的并发症中哪项可能引起严重后果
A.
急性根尖炎
B.
髓腔壁侧穿
C.
器械折断
D.
器械被误吸误吞
E.
皮下气肿
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参考答案：
举一反三
【单选题】在课程学习时间分配中,你更希望
A.
教师讲授的时间多一些
B.
自主学习的时间多一些
C.
交流讨论的时间多一些
D.
自测练习的时间多一些
查看完整题目与答案
【单选题】Which one of the following is not safety precaution?
A.
The safety cap.
B.
B Safety shoes
C.
C The jacket
D.
D Working clothes
查看完整题目与答案
【简答题】A 公司现有两个投资项目,有关资料如下: 甲、乙投资项目的预测信息 市场销售情况 概率 甲项目的收益率 乙项目的收益率 很好 0.2 30% 25% 一般 0.4 15% 10% 很差 0.4 —5% 5% 计算:(1)分别计算甲、乙两项目的预期收益率?(4分) (2)分别计算甲、乙两项目的标准差和标准离差率?(6分)
查看完整题目与答案
【单选题】Which one of the following is true of both eukaryotic and prokaryotic gene expression and would therefore not be an effective target for drug development?
A.
After transcription, a 3 ′ -poly(A) tail and a 5 ′ -cap are added to mRN
B.
Translation of mRNA can begin before transcription is complete.
C.
mRNA is synthesized in the 3 ′ -to-5 ′ direction.
D.
RNA polymerase binds at a promoter region upstream of the gene.
E.
Mature mRNA is always precisely collinear to the gene from which it was transcribed.
查看完整题目与答案
【简答题】Targeting certain structural features of eukaryotic mRNA can result in an inhibition of protein synthesis. Which one of the following describes a unique aspect of eukaryotic mRNA?A. A polyguanosine ta...
查看完整题目与答案
【单选题】NASA is releasing several images taken by the Hubble Space Telescope, which is the closest yet look at the red planet. Altogether there are four images, which show the entire planet. Each view shows t...
A.
Vague.
B.
Clear.
C.
Cannot be seen.
D.
Barely visible.
查看完整题目与答案
【单选题】建国初期,党在土地改革中对富农的政策是( )。
A.
没收富农的土地财产
B.
消灭富农
C.
保存富农经济
D.
限制富农
查看完整题目与答案
【单选题】Which one of the following statements about catabolite-regulated operons is false?
A.
cAMP receptor protein (CRP) and catabolite activator protein (CAP) are different names for the same protein.
B.
when glucose is present in the cell cAMP levels fall.
C.
CRP binds to cAMP and as a result activates transcription.
D.
CRP binds to DNA in the absence of cAMP.
查看完整题目与答案
【单选题】建国初期,党在土地改革中对富农的政策是( )。
A.
征收富农多余的土地财产
B.
限制富农
C.
中立富农（保存富农经济）
D.
消灭富农
查看完整题目与答案
【简答题】资料:某公司现有 A 、B 两个投资项目,有关收益及概率分布情况如下 : 市场情况 A 项目 B 项目 预期收益率 概率 预期收益率 概率 繁荣 6% 0. 2 8% 0. 3 一般 5% 0. 6 4% 0. 5 衰退 3% 0.2 3% 0. 2 要求 :( l ) 分别计算 A ,B 两个项目预期收益率的期望值 、标准离差和标准离差率。 ( 2 ) 分析比较 A 、B 两个项目的风险大小。
查看完整题目与答案
相关题目：
【单选题】在课程学习时间分配中,你更希望
A.
教师讲授的时间多一些
B.
自主学习的时间多一些
C.
交流讨论的时间多一些
D.
自测练习的时间多一些
查看完整题目与答案
【单选题】Which one of the following is not safety precaution?
A.
The safety cap.
B.
B Safety shoes
C.
C The jacket
D.
D Working clothes
查看完整题目与答案
【简答题】A 公司现有两个投资项目,有关资料如下: 甲、乙投资项目的预测信息 市场销售情况 概率 甲项目的收益率 乙项目的收益率 很好 0.2 30% 25% 一般 0.4 15% 10% 很差 0.4 —5% 5% 计算:(1)分别计算甲、乙两项目的预期收益率?(4分) (2)分别计算甲、乙两项目的标准差和标准离差率?(6分)
查看完整题目与答案
【单选题】Which one of the following is true of both eukaryotic and prokaryotic gene expression and would therefore not be an effective target for drug development?
A.
After transcription, a 3 ′ -poly(A) tail and a 5 ′ -cap are added to mRN
B.
Translation of mRNA can begin before transcription is complete.
C.
mRNA is synthesized in the 3 ′ -to-5 ′ direction.
D.
RNA polymerase binds at a promoter region upstream of the gene.
E.
Mature mRNA is always precisely collinear to the gene from which it was transcribed.
查看完整题目与答案
【简答题】Targeting certain structural features of eukaryotic mRNA can result in an inhibition of protein synthesis. Which one of the following describes a unique aspect of eukaryotic mRNA?A. A polyguanosine ta...
查看完整题目与答案
【单选题】NASA is releasing several images taken by the Hubble Space Telescope, which is the closest yet look at the red planet. Altogether there are four images, which show the entire planet. Each view shows t...
A.
Vague.
B.
Clear.
C.
Cannot be seen.
D.
Barely visible.
查看完整题目与答案
【单选题】建国初期,党在土地改革中对富农的政策是( )。
A.
没收富农的土地财产
B.
消灭富农
C.
保存富农经济
D.
限制富农
查看完整题目与答案
【单选题】Which one of the following statements about catabolite-regulated operons is false?
A.
cAMP receptor protein (CRP) and catabolite activator protein (CAP) are different names for the same protein.
B.
when glucose is present in the cell cAMP levels fall.
C.
CRP binds to cAMP and as a result activates transcription.
D.
CRP binds to DNA in the absence of cAMP.
查看完整题目与答案
【单选题】建国初期,党在土地改革中对富农的政策是( )。
A.
征收富农多余的土地财产
B.
限制富农
C.
中立富农（保存富农经济）
D.
消灭富农
查看完整题目与答案
【简答题】资料:某公司现有 A 、B 两个投资项目,有关收益及概率分布情况如下 : 市场情况 A 项目 B 项目 预期收益率 概率 预期收益率 概率 繁荣 6% 0. 2 8% 0. 3 一般 5% 0. 6 4% 0. 5 衰退 3% 0.2 3% 0. 2 要求 :( l ) 分别计算 A ,B 两个项目预期收益率的期望值 、标准离差和标准离差率。 ( 2 ) 分析比较 A 、B 两个项目的风险大小。
查看完整题目与答案
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