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【单选题】
4分】给出下列命题,其中正确命题的个数是(　　) ①如果一个几何体的三视图是完全相同的,则这个几何体是正方体 ②如果一个几何体的正视图和俯视图都是矩形,则这个几何体是长方体 ③如果一个几何体的三视图都是矩形,则这个几何体是长方体 ④如果一个几何体的正视图和侧视图都是等腰梯形,则这个几何体是圆台
A.
0
B.
1
C.
2
D.
3
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参考答案：
举一反三
【单选题】夜床服务通常在()以后幵始。
A.
12:00
B.
14:00
C.
18:00
D.
Sun L) ec 31 20 DO DO C ST 1899
查看完整题目与答案
【简答题】地方政府发展初期主要是以____竞争作为主要形式。
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【单选题】The bacterial capsule is ( )
A.
A form of storage granule within the cell.
B.
A long thin protein rod that is used for attachment.
C.
A coating on the exterior of many cells
D.
A long thin protein rod that is used for bacterial exchange of genetic material.
E.
Always present on a cell that has the ability to form a capsule.
查看完整题目与答案
【单选题】Transformation is important in bacterial pathogenicity because
A.
it allows uptake of DNA that can homologously recombine into the bacterial chromosome and change virulence characteristics
B.
it kills recipient cells and prevents future cell invasion
C.
it enhances site-specific recombination that turns on virulence factor genes
D.
it causes transpositions to occur at high frequency that can kill virulent bacteria
E.
none of the above
查看完整题目与答案
【单选题】Which of the following statements about bacterial meningitis is incorrect?
A.
The most likely causes of bacterial meningitis vary with patient age.
B.
Chronic bacterial meningitis is mainly caused by mycobacterium tuberculosis.
C.
Acute bacterial meningitis is a true medical emergency.
D.
Iatrogenic infection is the most common route of infection for bacterial meningitis.
查看完整题目与答案
【单选题】Which one is the direct examination of bacterial specimens from patients?
A.
Stains for microscopic examination,
B.
Extraction of bacterial DN
C.
cultivation of specimen
D.
Biochemical test,
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【单选题】夜床服务通常在()以后幵始。
A.
12.00
B.
14D0
C.
18D0
D.
Sun L) ec 31 20 DO DO C ST 1899
查看完整题目与答案
【简答题】bacterial—
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【判断题】The generation of bacterial spores is a manifestation of bacterial reproduction.
A.
正确
B.
错误
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【单选题】As for the acute bacterial endophthalmitis,which of the following is not true( )
A.
Acute postoperative endophthalmitis is a catastrophic complication of intraocular surgery
B.
Acute bacterial endophthalmitis usually occurs within 7 days of operation
C.
Acute bacterial endophthalmitis is characterized by mild ocular pain, redness, lacrimation, photophobia and slight loss of vision
D.
I n metastatic forms and in cases with deep infections, vitreous cavity is filled with exudation and pus. Soon a yellowish white mass is seen through
查看完整题目与答案
相关题目：
【单选题】夜床服务通常在()以后幵始。
A.
12:00
B.
14:00
C.
18:00
D.
Sun L) ec 31 20 DO DO C ST 1899
查看完整题目与答案
【简答题】地方政府发展初期主要是以____竞争作为主要形式。
查看完整题目与答案
【单选题】The bacterial capsule is ( )
A.
A form of storage granule within the cell.
B.
A long thin protein rod that is used for attachment.
C.
A coating on the exterior of many cells
D.
A long thin protein rod that is used for bacterial exchange of genetic material.
E.
Always present on a cell that has the ability to form a capsule.
查看完整题目与答案
【单选题】Transformation is important in bacterial pathogenicity because
A.
it allows uptake of DNA that can homologously recombine into the bacterial chromosome and change virulence characteristics
B.
it kills recipient cells and prevents future cell invasion
C.
it enhances site-specific recombination that turns on virulence factor genes
D.
it causes transpositions to occur at high frequency that can kill virulent bacteria
E.
none of the above
查看完整题目与答案
【单选题】Which of the following statements about bacterial meningitis is incorrect?
A.
The most likely causes of bacterial meningitis vary with patient age.
B.
Chronic bacterial meningitis is mainly caused by mycobacterium tuberculosis.
C.
Acute bacterial meningitis is a true medical emergency.
D.
Iatrogenic infection is the most common route of infection for bacterial meningitis.
查看完整题目与答案
【单选题】Which one is the direct examination of bacterial specimens from patients?
A.
Stains for microscopic examination,
B.
Extraction of bacterial DN
C.
cultivation of specimen
D.
Biochemical test,
查看完整题目与答案
【单选题】夜床服务通常在()以后幵始。
A.
12.00
B.
14D0
C.
18D0
D.
Sun L) ec 31 20 DO DO C ST 1899
查看完整题目与答案
【简答题】bacterial—
查看完整题目与答案
【判断题】The generation of bacterial spores is a manifestation of bacterial reproduction.
A.
正确
B.
错误
查看完整题目与答案
【单选题】As for the acute bacterial endophthalmitis,which of the following is not true( )
A.
Acute postoperative endophthalmitis is a catastrophic complication of intraocular surgery
B.
Acute bacterial endophthalmitis usually occurs within 7 days of operation
C.
Acute bacterial endophthalmitis is characterized by mild ocular pain, redness, lacrimation, photophobia and slight loss of vision
D.
I n metastatic forms and in cases with deep infections, vitreous cavity is filled with exudation and pus. Soon a yellowish white mass is seen through
查看完整题目与答案
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