在Excel中可用组合键Ctrl+;输入当前的时间。()

题型:判断题

问题:

在Excel中可用组合键Ctrl+;输入当前的时间。()

考点:计算机操作员考试计算机操作员中级计算机操作员中级题库
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用括号内所给动词的适当形式填空。请将答案(不限于1词)填写在答题纸相应的栏目内。

小题1:It seems you need to apologize quickly to avoid _________ (lose) a good friend.

小题2:We are at your service. Don’t hesitate _________ (turn) to us if you have any further problems.

小题3:Alexander the Great spread the Greek culture from Europe to Africa and Asia, __________(influence) the world for centuries to come.

小题4:As she walked along the narrow street, she heard the sound of steps _________.(approach)

小题5:Young Louis Braille created a system with patterns of six raised dots ________ (represent) each letter.

小题6:Loulan is believed ____________ (cover) over gradually by sandstorms from AD200 to AD400.

小题7:The spread of “borrowed words” is mostly due to the easily ________ (access) Internet and television programs from across the world.

小题8:When the girl mentioned the question again, Arthur seemed _______. (embarrass)

小题9:Huge trees were cut down and that resulted in the city __________ (bury) by sand.

小题10: _________ (judge) from the number of cars, he thought there were not many people at the club yet.

题型:判断题

下面是弗来明对青霉素的早期研究过程:发现问题——在培养细菌的器具中发现一种青霉菌,在这种青霉菌的周围没有其他细菌生存,为什么会产生这种现象?提出假设;设计实验——在液体培养基中培养青霉菌后,探究这种培养液对细菌增殖的影响。实验结果:培养液使细菌的增殖停止。得出结论。下面最适合作为该实验假设的是[ ]

A.青霉菌与细菌之间是其生关系

B.青霉菌污染了细菌生存的环境

C.青霉菌产生了对人体有益的物质

D.青霉菌能产生抑制细菌增殖的物质

题型:判断题

药物与受体结合后产生激动或拮抗效应取决于:

A.药物的脂/水分配系数

B.药物是否具有效应力

C.药物的作用强度

D.药物是否具有亲和力

E.药物的剂量大小

题型:判断题

带式输送机容易发生哪些故障?

题型:判断题

患者男性,44岁,因“左上后牙咬合疼痛1年”来诊。口腔检查:左上7叩痛(+),松动Ⅰ度,牙体无病损,腭侧正中可探及8~9mm深牙周袋,挤压袋壁溢脓;全口卫生状况差,可见牙石、软垢堆积,牙龈充血水肿;多牙位探及4~5mm深牙周袋,探诊出血(+);X线示:左上7根尖周有低密度影像。

左上7最可能的诊断为()

A.侵袭性牙周炎

B.慢性牙周炎

C.急性牙髓炎

D.牙周牙髓联合病变

E.咬合创伤

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