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【单选题】
在霍尔效应实验中,测量霍尔元件的灵敏度 K H ,测得霍尔电压 V H 是 250mV、工作电流 Is 是 0.9mA 和磁感应强度 B 是 8400Gs,则灵敏度KH的值是多少? ()A.
331[mV/(mA*T)]
B.
330[V/(A*T)]
C.
267[mV/(mA*KGs)]
D.
267.5[V/(A*Gs)]
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【单选题】--- What can I do for you, madam? --- __________ .
A.
I want a kilo of apples
B.
You can go your own way
C.
Thanks
D.
Excuse m
E.
I’m busy
【多选题】关于权利要求是否得到说明书的支持，下列说法哪些是正确的?
A.
独立权利要求得到说明书的支持，其从属权利要求必然得到说明书的支持
B.
方法权利要求得到说明书的支持，产品权利要求必然得到说明书的支持
C.
纯功能性的权利要求得不到说明书的支持
D.
在判断权利要求是否得到说明书的支持时，应当考虑说明书的全部内容
【单选题】听力原文：W: Hello, Air Trailer. What can I do for you, Sir? M: Can I book a ticket to New York for next Friday, please? W: Sure, but all the tickets of direct flights from Beijing are sold out. Would you ...
A.
Tokyo.
B.
New York.
C.
Beijing.
D.
Hong Kong.
【简答题】根据对话内容，从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 — What can I do for you, sir? — I bought this mobile last Saturday here in your shop. 1_____ — What's the matter with it? — 2_____ — How long does it last? — ...
【多选题】Jim : 11 Tracy: I bought this dress for my daughterlast week, but 12 , I’d like to change it for a largerone. Jim: Oh, I see. Well, which one would you like totake? Tracy: 13 Jim: OK. May I have a l...
A.
Size L, the red one.
B.
I’m sorry for the trouble.
C.
I left it at home.
D.
It’s too small for her.
E.
What can I do for you, madam?
【单选题】A: Is everyone always so helpful to you in your office?B: ______
A.
Yes. What can I do for you now?
B.
Yes, there is a hotel nearby.
C.
Yes. Can I help you?
D.
Yes. It's a great place to work.
【单选题】— today? —It's fine. [ ]
A.
How are you
B.
What's the weather like
C.
Who is on duty
D.
What can I do for you
【单选题】—Excuse me, what can I do for you? —Yes. I'd like to place ____ advertisement for _____ used car in your paper.
A.
the; a
B.
an; /
C.
an; a
D.
/; the
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