【单选题】【消耗次数：1】
6. Don’t_________to 1et me know if there s anything I can do for you.
①
hesitate
②
reject
③
puzz1e
④
thrill
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相关题目
【单选题】
13.Don’t ______ to let me know if there’s anything I can do for you.
①
thrill
②
hesitate
③
reject
④
puzzle
【单选题】
A: Is there anything I can do for you? B: [填空], there is something.
①
No, nothing
②
Well, now that you ask
③
Nothing I can think of
④
If you ask me
【单选题】
Excuse me. I don’t want to interrupt you but …
①
Can I help you?
②
Certainly, how dare you
③
It’s quite all right
④
Yes, you did
【单选题】
My daughter bought me an IPAD,but I don’t know_____.
①
A.what to know
②
B.which one to use
③
C.when to use
④
D.how to use it
【单选题】
I didn’t know what to do, but then an idea suddenly ________ to me.
①
appeared
②
happened
③
occurred
④
emerged
【单选题】
I don’t know you want to keep the letter, I’ve _____it up.
①
torn
②
given
③
broken
④
disposed
【单选题】
Don’t hesitate ______ for help if you have any problem meeting the schedule.
①
to ask
②
asked
③
asking
④
to be asked
【单选题】
Woman: Bob, do you think you can lend me fifty dollars? Bob: Let me see. ____
①
You know I have no money at all.
②
Sorry, I don’t think I have much with me.
③
I don’t think you should do it.
④
Oh, I have quite a lot.
随机题目
【单选题】
（）是一种位移测量元件，通常装在被检测轴上，随被检测轴一起转动。它可将被测轴的角位移转换成增量脉冲形式或绝对式的代码形式。
①
旋转变压器
②
编码器
③
光栅
④
测速发电机
【单选题】
刀尖半径左补偿G41指令，其方向的规定是（）。
①
沿刀具运动方向看，工件位于刀具左侧
②
沿工件运动方向看，工件位于刀具左侧
③
沿工件运动方向看，刀具位于工件左侧
④
沿刀具运动方向看，刀具位于工件左侧
【单选题】
数控机床有不同的运动形式，需要考虑工件与刀具相对运动关系和坐标系方向，编写程序时，为方便编程，常采用（）的原则。
①
工件固定不动，刀具移动。
②
铣削加工刀具固定不动，工件移动；车削加工刀具移动，工件固定；
③
分析机床运动关系后再根据实际情况两者的固定和移动关系；
④
刀具固定不动，工件移动