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【单选题】
食管的第3个狭窄距中切牙约
A.
15cm
B.
25cm
C.
40cm
D.
60cm
E.
50cm
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参考答案:
举一反三
【单选题】以下对TTL与非门电路描述不正确的是( )。
A.
输入端悬空会造成逻辑出错
B.
输入端接低电平时有电流从门中流出
C.
多余输入端可以并联使用
D.
输入端接大电阻(如 510k Ω )到地相当于接高电平
【单选题】I will take you to the newly opened museum ______ you may see ______. [       ]
A.
which; that
B.
where; that
C.
in which; which
D.
where; what
【单选题】mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">对 宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-latin; mso-bidi-font-fa...
A.
高电平
B.
低电平
C.
高阻
D.
接地
【多选题】导致软件缺陷的原因很多,以下四种可能的原因中最主要的是哪2项?
A.
软件需求说明书不全面,不完整,不准确,而且经常更改
B.
软件设计说明书不够详细
C.
软件操作人员的水平不足
D.
开发人员不能很好地理解需求说明书和沟通不足
【单选题】W:Dick,if you can finish your homework before 6.I will take you to the cinema. M:I’m sure I can.But I’d like to go to the park to play football. W:OK.But you must return home for dinner before 8. What...
A.
Doing his homework.
B.
Seeing a film in the cinema.
C.
Playing football
D.
Having dinner.
【简答题】I can't take you to the park today, son. I'm sorry, but I will make it up you next week when I am not so busy.
【单选题】1 某移动公司采用分段计费的方法来计算话费,月通话时间与相应话费之间的函数图象如图所示:
A.
y=0.2x+20
B.
y=0.4x
C.
y=0.3x
D.
y=0.2x+40
【单选题】--- I know how much it will take you to buy a ticket for sporting events of the 2008 Olympic Games. --- How did you know it? --- It was in the website www. tickets. Beijing 2008.cn _____ you can buy t...
A.
where; that
B.
which; that
C.
that; which
D.
where; which
【单选题】—I will take you to the zoo next week. —Is that a______? Dont disappoint me, I hope.
A.
decision
B.
request
C.
possibility
D.
promise
【简答题】某移动公司采用分段计费的方法来计算话费,月通话时间 x (分钟)与相应话费y(元 )之间的函数图象如图所示: (1)月通话为100分钟时,应交话费______元; (2)当x≥100时,求y与 x 之间的函数关系式; (3)月通话为280分钟时,应交话费多少元?
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