【单选题】【消耗次数：1】
Can I help you with your suitcase?
①
I have no idea
②
No, no. I can carry it myself
③
That’s a good idea
④
Thank you. I can manage myself
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相关题目
【单选题】
I really appreciate ____ to help me, but I am sure that I can manage by myself.
①
you to offer
②
that you offer
③
your offering
④
that you are offering
【单选题】
Can I help you with the bag?
①
No, no. I can take it myself
②
Thank you
③
Sorry, you can’t
④
No, I’m all right
【单选题】
Good morning, Dr Johnson’s office. Can I help you?
①
Speaking, please
②
I’d like to make an appointment, please
③
Yes, go on
④
No, you can’t
【单选题】
“Can I help you?” “Well, I’m afraid the box is too heavy for you, ____ thank you all the same.”
①
and
②
so
③
but
④
or
【单选题】
— Good morning, Dr Johnsons office. Can I help you?— _______________________.
①
Speaking, please
②
Id like to make an appointment, please
③
Yes, go on
④
No, you cant
【单选题】
A: Can I help you? B: [填空]. Where do I pay my fees?
①
Thank you
②
As you please
③
Yes, you can
④
Yes, please
【单选题】
—Hello there, what can I do for you, sir?—_____________________.
①
I can do it myself.
②
No, youre welcome.
③
I would like to buy a pair of glasses.
④
Yes, thank you.
【单选题】
Can I have a look at your passport?
①
It is here
②
Here is it
③
Here you are
④
No, you can’t
随机题目
【单选题】
在单相桥式整流电路中，输出电压的平均值UO与变压器副边电压有效值U2应满足______关系。
①
U0=0、9U2
②
U0=1、0U2
③
U0=1、4U2
④
U0=1、2U2
【单选题】
带有放大环节的串联型晶体管稳压电路一般由采样电路、基准电压、______和调整原件四个部分组成。
①
比较放小电路
②
稳定不变电路
③
稳定减小电路
④
比较放大电路
【单选题】
设输入信号ui为负半周，经V1倒相放大后，加到V2和V3管基极的是正半周信号，功放管V2导通，V3管截止。负载RL上获得正半周信号。当输入波形ui为正半周时，负载（扬声器或者R5）获得负半周信号。如此两管轮流工作，在负载上可以得到完整的信号波形。
①
正确
②
错误
【单选题】
OTL功率放大器的测试前的准备工作：①在胶木板上安装变压器、开关、熔断器等元器件；②做好电源引线的连接和电路板交流输入端的连接；③检查焊接质量。
①
①②③
②
②③
③
①③
④
①②