喹诺酮类药物抗菌作用机制是A.抑制细菌二氢叶酸合成酶 B.抑制细菌二氢叶酸还原酶 C

题型:单项选择题

问题:

喹诺酮类药物抗菌作用机制是

A.抑制细菌二氢叶酸合成酶

B.抑制细菌二氢叶酸还原酶

C.抑制细菌蛋白质合成

D.抑制细菌DNA螺旋酶

E.抑制细菌转肽酶

考点:西药执业药师药理学病源微生物、寄生虫和肿瘤药理
题型:单项选择题

阅读理解。

    Michelle Kan is a famous American figure skater (花样滑冰运动员). Many young people

like her a lot. She is half-Chinese and was born on July 7, 1980. Her hometown is in

Guangdong, China. Her father went to America from China in the 1970s. Her mother is an

American. Michelle is the youngest of their three children. She has a brother and a sister.

They also like figure skating.

    Michelle has won seven National Championships (全国锦标赛) of America and has won eight

medals at the World Championships. She has also won two Olympic medals. She got the second

place in 1998 and the third in 2002. When she talks about' her success, she says, "My

parents taught me to work hard. If you do, your dreams may come true." She also says, "What

you give is what you get back." In the future, the popular skater wants to be the Michael

Jordan (the best basketball player of the world) of her sport.

1. There are _____ people In Kwan's family. [ ]

A. 3

B. 4

C. 5

D. 6

2. She's a half-Chinese because _____.[ ]

A. her mum is Chinese and her dad is American

B. her dad is Chinese and her mum is American

C. both of her parents are Chinese except her

D. her hometown is in China.

3. In the 2002 Olympic Games Michelle Kwan skated _____ than she did in the 1998 Olympics. [ ]

A. worse

B. better

C. bad

D. good

4. The secret (秘密) of Kwan's success is _____. [ ]

A. to work hard

B. to give less

C. to get more

D. to learn

5. The last sentence in the passage means Kwan wants to _____. [ ]

A. play basketball instead of skating

B. learn basketball from Jordan

C. be the best figure skater

D. become the second Jordan

题型:单项选择题

哪种民用建筑的采暖散热器必须暗装或加防护罩()

A.办公楼

B.高层住宅

C.学校

D.幼儿园

题型:单项选择题

下列关于MRI用于诊断动脉瘤描述,错误的是()

A.可显示瘤体大小

B.可显示瘤内附壁血栓及其钙化

C.可显示瘤壁钙化

D.可显示瘤腔外的情况

E.可显示受累的动脉大分支

题型:单项选择题

资料1

资料2

资料3

根据上述材料,指出下列栏目的正确选项:

“提运单号”栏:()。

A.DSDF HU/901

B.DHF47218321

C.528489214

D.KJDIF--356

题型:单项选择题

由公安机关所属的指挥中心(或办公室)及各业务职能部门组成的信息网络是( )

A.纵向网络

B.横向网络

C.扩散网络

D.延伸网络

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