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【简答题】
计算机网络的( )及其的集合,称为网络的体系结构。
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【简答题】Java虚拟机和Dalvik虚拟机的区别有哪些?
【单选题】---Excuse me. May I speak to Jill, please? ---_________.
A.
Yes, I am
B.
Do you know him?
C.
I am speaking
D.
This is Jill speaking
【单选题】听力原文：Lin: Excuse me. May I look at that blouse? Salesman: Certainly! Lin: (Examining it) Mmm! Salesman: I can see that you have very good taste, ma'am! It really suits you! Lin: Yes, but it's not for ...
A.
In a hotel.
B.
In a restaurant.
C.
In a hospital.
D.
In a shop.
【单选题】—Excuse me. May I use your computer? —_______. It’s broken.
A.
Sure
B.
Yes, here you are
C.
With pleasure
D.
I’m afraid not
【单选题】听力原文：Lin: Excuse me. May I look at that blouse? Salesman: Certainly! Lin: (Examining it) Mmm! Salesman: I can see that you have very good taste, ma'am! It really suits you! Lin: Yes, but it's not for ...
A.
In a hotel.
B.
In a restaurant.
C.
In a hospital.
D.
In a shop.
【单选题】--- Excuse me. May I speak to you? --- ___________________.
A.
Please make an appointment
B.
Sure. Come in and sit down
C.
Not right now. I’m busy
D.
All above.
【简答题】请说明Java虚拟机和Dalvik虚拟机的区别
【简答题】Java虚拟机和Dalvik虚拟机的主要区别？
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