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【判断题】
碳素结构钢按其化学成分和力学性能分为Q195、Q215、Q235、Q255、Q275等五个牌号。A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
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
【简答题】I will take the place of Nancy to teach you English.(同义句改写) I will take ___________ place to teach you English.
【单选题】Speaker A: Mary, can you bring the English book to me when you come to the classroom? I’d like to have a look. Speaker B: _____ I will take it to you tomorrow.
A.
Not at al.
B.
No problem.
C.
No way.
【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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