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【单选题】
Choose the word or phrase which best completes each sentence. l. You cannot _____ ignorance as your excuse; you should have known what was happening all along. A. plead B. refer to C. defend D. persist in 2. As the medicine took ______ the nervous patient became quieter. A, action B, force C, effect D, influence 3. So long as we have Jim, a man with exceptional ability in management, things will be working well oven if we come _____unexpected difficulties. A. up with B. up against C. round to D. in on 4. Has she changed her mind again? t wish she'd at least be______ A. persistent B. constant C. compatible D. consistent 5. His exceptional ability in administration and his ______ make him an excellent leader. A.self-respect B. self-centredness C. self-confidence D. self-regard 6. The students in the Advanced Teachers' Training Class are asked to visit the nearby middle schools for the _____ of lessons. A. inspection B. investigation C. observance D. observation 7. As population growth sends the numbers of inhabitants ______the city shows every sign of overcrowded ness. A. rocketing B. going C. increasing D. exalting 8. Bad office planning will ____ both the employer and the employee and affects the performance of their duties. A. defeat B. disappoint C. frustrate D. hinder 9. Educators agree that sport provides an ____ for an adolescent's feelings of aggression or frustration. A. overflow B. outlet C. exhaust D. exit 10. Under these circumstances it _____ be best to group those gifted athletes in our university. A. should B. might C. seemed D. could 11. _____ all my efforts, I am unable to make those slow students do the same amount of work that most of the other students do. A. Despite B. No matter C. Making D. Considering 12. She obviously had no _____of discouraging the individual growth and self-respect of the students. A. desire B. ambition C. willingness D. intention 13. These athletes threw petrol on to the bonfire and the sudden ______ lit up the whole garden. A. flare B. spark C. twinkle D, glow 14. A teacher preparing for his lessons should always ______ in mind the students' creativity, latent interest and talent. A. take B.bring C. bear D. carry 15. It is not difficult to understand your _ to grouping these gifted students according to their interest and ability. A. reaction B. feelings C. outlook D. behavior 16. Do you think that these "quiz kids" really _____ your special instruction? A.benefit B. appreciate C. delight D. assess 17. Grouping those pupils who have real trouble mastering academic subject matter will not ____ them any harm. A. give B. do C. take D. make 18. A joke or two always ___ up a lecture, I think. A. raise B. loosen C. liven D. inspire 19. It was felt that these intellectual snobs lacked the ____ to pursue a difficult task to the end. A. commitment B. engagement C. obligation D. persuasion 20. It should be ____ that as individuals gifted students are endowed with certain attributes which represent their potential success in life. A. reminded B, perceived C. marked D. noted
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【简答题】下列关于分子离子峰的说法正确的是 ( )A. 只含 C. H. O 的有机化合物,其分子离子峰的质荷比一定是奇数 B. 只含 C. H. O 的有机化合物,其分子离子峰的质荷比一定是偶数 C. 只含 C. H. O 的有机化合物,其分子离子峰的质荷比可能是奇数,也可能是偶数 D. 只含 C. H. O 的有机化合物,其分子离子峰的质荷比的奇、偶性无法确定
【单选题】下列关于分子离子峰的说法正确的是
A.
谱图中强度最大的峰
B.
增加进样量,分子离子峰强度增加
C.
质荷比最大的峰
D.
降低电子轰击电压,分子离子峰强度增加
【单选题】下列关于质谱离子和离子峰的说法正确的是 ( )。
A.
含偶数个氮原子的化合物对应的分子离子峰是奇数 。
B.
位于质谱谱图的最左边的离子峰簇强度比存在 M+2 : M=1 : 1 的关系,可能存在一个溴 。
C.
质谱图最左边的离子峰是分子离子峰 。
D.
亚稳离子是在离子源内产生的质荷比不是整数的碎片离子 。
【单选题】下列关于离子源的说法正确的是
A.
EI 离子源适用于热不稳定样品
B.
CI 离子源提供的碎片离子较 EI 多
C.
FAB 离子源适用于热不稳定样品且易得到分子离子峰
D.
ESI 是一种硬电离方式,所得碎片离子多
【单选题】关于分子离子峰,下列说法正确的是 ( )
A.
质荷比最大的峰一定是分子离子峰
B.
丰度最大的峰一定是分子离子峰
C.
即使降低 EI 源的电子轰击电压,分子离子峰的相对强度也不会增加
D.
在分子离子峰的左侧 3-14 个质量单位处,不应有其他碎片离子峰出现
【单选题】一般来说,会计分录可以分为
A.
简单分录和复杂分录
B.
简单分录和复合分录
C.
单式分录和复式分录
D.
单一分录和复合分录
【单选题】社区卫生服务是以什么为单位的()
A.
个人为单位
B.
家庭为单位
C.
社会为单位
D.
人民为单位
E.
社团为单位
【单选题】以下关于社区卫生服务的描述哪项是不正确的( )
A.
社区卫生服务是以人群健康为中心
B.
以家庭为单位
C.
以社区患者为范围
D.
以需求为导向
E.
以解决社区主要卫生问题和满足基本卫生服务需求为目的
【单选题】社区卫生服务是以( )为单位的医疗卫生服务
A.
人群
B.
个体
C.
健康
D.
疾病
E.
家庭
【判断题】本身自己知道,却要为了讨好别人,装作不懂的样子就是“抖机灵”的意思。()
A.
正确
B.
错误
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